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\author{jjovann}
\pdfinfo{
  /Title (a-p-lab-quiz-4.pdf)
  /Creator (Cheatography)
  /Author (jjovann)
  /Subject (A\&P Lab Quiz 4 Cheat Sheet)
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        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
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    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{A\&P Lab Quiz 4 Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{jjovann} via \textcolor{DarkBackground}{\uline{cheatography.com/67730/cs/17495/}}}
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  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}jjovann \\
  \uline{cheatography.com/jjovann} \\
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  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 18th October, 2018.\\
   Updated 18th October, 2018.\\
   Page {\thepage} of \pageref{LastPage}.
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  Measure your website readability!\\
  www.readability-score.com
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\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Muscle Overview}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{• The majority of the muscle in the body is skeletal muscle since it is attached to the skeleton. \newline % Row Count 2 (+ 2)
•Main function is to provide movement \newline % Row Count 3 (+ 1)
• Main Types:  \newline % Row Count 4 (+ 1)
 - Cardiac and Smooth (Involuntary) \newline % Row Count 5 (+ 1)
Function: transport materials within the body   \newline % Row Count 6 (+ 1)
- Skeletal (Voluntary) \newline % Row Count 7 (+ 1)
Main features:             \newline % Row Count 8 (+ 1)
Appear striped (striated) \newline % Row Count 9 (+ 1)
Contain multiple nuclei (multinucleate) \newline % Row Count 10 (+ 1)
Functions:              \newline % Row Count 11 (+ 1)
Gives body contour and shape \newline % Row Count 12 (+ 1)
Allow movement \newline % Row Count 13 (+ 1)
Ability to manipulate environment% Row Count 14 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
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\begin{tabularx}{5.377cm}{X}
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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{The Cells of Skeletal Muscle}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{• Muscles are composed of long, cylindrical cells called fibers \newline % Row Count 2 (+ 2)
• Muscle cells are arranged into myofibrils \newline % Row Count 3 (+ 1)
- Long, filamentous organelles  \newline % Row Count 4 (+ 1)
- Give skeletal muscle its striated appearance \newline % Row Count 5 (+ 1)
• Myofibrils are composed of thread-like myofilaments         \newline % Row Count 7 (+ 2)
- Contain 2 types of contractile proteins     \newline % Row Count 8 (+ 1)
\textasciitilde{} Actin or Myosin         \newline % Row Count 9 (+ 1)
- Slide past one another to produce muscle shortening or contraction \newline % Row Count 11 (+ 2)
•Sarcomeres: actual contractile units of muscle which extend from the middle of one I band (its z disc) to the middle of the next along the length of the myofibrils \newline % Row Count 15 (+ 4)
•Cross section where thick and thin filaments of sarcomeres overlap show thick filaments surrounded by 6 thin filaments; each thin filament is enclosed by 3 thick filaments% Row Count 19 (+ 4)
} \tn 
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\begin{tabularx}{5.377cm}{X}
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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Types of Muscles}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Agonists are primarily responsible for producing movement \newline % Row Count 2 (+ 2)
 Antagonists oppose or reverse a movement, provides resistance \newline % Row Count 4 (+ 2)
	- When one is active, the other is relaxed \newline % Row Count 5 (+ 1)
 Synergists aid antagonists by reducing undesired movement (stabilize) \newline % Row Count 7 (+ 2)
 Fixators are specialized synergists, immobilize and allow you to "pose"% Row Count 9 (+ 2)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Muscles of the Head}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Mentalis  \newline % Row Count 1 (+ 1)
O: mandible below incisors \newline % Row Count 2 (+ 1)
I: Skin of chin \newline % Row Count 3 (+ 1)
Action: Protrudes lower lip; wrinkles chin% Row Count 4 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
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\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Muscles of the Head}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Zygomaticus  \newline % Row Count 1 (+ 1)
O: zygomatic bone \newline % Row Count 2 (+ 1)
I: corners of mouth \newline % Row Count 3 (+ 1)
Action: smiling% Row Count 4 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Muscles of the Head}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Epicranius \newline % Row Count 1 (+ 1)
Orbicularis oculi \newline % Row Count 2 (+ 1)
Corrugator supercilii \newline % Row Count 3 (+ 1)
Levator labii superioris \newline % Row Count 4 (+ 1)
Zygomaticus (major and minor) \newline % Row Count 5 (+ 1)
Risorius \newline % Row Count 6 (+ 1)
Depressor labii inferioris \newline % Row Count 7 (+ 1)
Depressor anguli oris \newline % Row Count 8 (+ 1)
Orbicularis oris \newline % Row Count 9 (+ 1)
Mentalis \newline % Row Count 10 (+ 1)
Buccinator \newline % Row Count 11 (+ 1)
Masseter \newline % Row Count 12 (+ 1)
Temporalis \newline % Row Count 13 (+ 1)
Medial pterygoid \newline % Row Count 14 (+ 1)
Lateral pterygoid% Row Count 15 (+ 1)
} \tn 
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\begin{tabularx}{5.377cm}{X}
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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{The Neuromuscular Junction}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Skeletal muscle cells are stimulated by motor neurons via nerve impulses \newline % Row Count 2 (+ 2)
 Neuromuscular junctions are found between nerve fibers (axon) and muscle cells \newline % Row Count 4 (+ 2)
 A single neuron may stimulate many muscle cells \newline % Row Count 5 (+ 1)
 A motor unit is composed of the muscle cells and stimulating neuron \newline % Row Count 7 (+ 2)
 Synaptic cleft is the gap separating the neuron and muscle fiber% Row Count 9 (+ 2)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Organization of Skeletal Muscle Cells into Muscles}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{•Endomysium: thin areolar connective tissue surrounding each fiber \newline % Row Count 2 (+ 2)
•Perimysium: collagenic membrane sheathing bundles of fibers \newline % Row Count 4 (+ 2)
•Fascicle: bundle of muscle fibers \newline % Row Count 5 (+ 1)
•Epimysium: dense overcoat of connective tissue around entire muscle \newline % Row Count 7 (+ 2)
•Deep Fascia: connective tissue that bind muscles into functional groups        \newline % Row Count 9 (+ 2)
-Tendons: connect muscle to bone (strong, cordlike)       \newline % Row Count 11 (+ 2)
- Aponeuroses: connect muscle to muscle or bone (flat, sheet-like)% Row Count 13 (+ 2)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Organization of Skeletal Muscles Cells}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{•Epimysium: dense overcoat of connective tissue around entire muscle \newline % Row Count 2 (+ 2)
•Perimysium: collagenic membrane sheathing bundles of fibers \newline % Row Count 4 (+ 2)
•Fascicle: bundle of muscle fibers \newline % Row Count 5 (+ 1)
•Endomysium: thin areolar connective tissue surrounding each fiber \newline % Row Count 7 (+ 2)
• Deep Fascia: connective tissue that bind muscles into functional groups       \newline % Row Count 9 (+ 2)
- Tendons: connect muscle to bone (strong, cordlike)        \newline % Row Count 11 (+ 2)
- Aponeuroses: connect muscle to muscle or bone (flat, sheet-like)% Row Count 13 (+ 2)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{The Neuromuscular Junction}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{In axon terminal: \newline % Row Count 1 (+ 1)
neurotransmitter signals muscle \newline % Row Count 2 (+ 1)
Acetylcholine (ACh) \newline % Row Count 3 (+ 1)
leaves axon terminal, goes to synaptic cleft, binds to receptors on sarcolemma% Row Count 5 (+ 2)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Muscles of the Head}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Masseter \newline % Row Count 1 (+ 1)
O: zygomatic arch \newline % Row Count 2 (+ 1)
I: angle \& ramus of mandible \newline % Row Count 3 (+ 1)
Action: elevate mandible% Row Count 4 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
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\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Origins and Insertions}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{A muscle's origin is it's fixed attachment \newline % Row Count 1 (+ 1)
 A muscles insertion is it's movable attachment \newline % Row Count 2 (+ 1)
For example: the Triceps \newline % Row Count 3 (+ 1)
Origin: Humerus \newline % Row Count 4 (+ 1)
Insertion: Ulna% Row Count 5 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{The Cells of Skeletal Muscle}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{• At each junction of A and I bands, the sarcolemma indents into the muscle cell, forming a transverse tubule (T tubule). \newline % Row Count 3 (+ 3)
•These tubules run deep into the muscle cell between the terminal cisternae, of the smooth ER, called the sarcoplasmic reticulum. \newline % Row Count 6 (+ 3)
•Regions where the SR terminal cisternae abut a T tubule on each side are called triads.% Row Count 8 (+ 2)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Muscles of the Head}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Orbicularis oculi \newline % Row Count 1 (+ 1)
Sphincter muscle of eyelid \newline % Row Count 2 (+ 1)
O: frontal \& maxillary bones \newline % Row Count 3 (+ 1)
I: tissue of eyelid \newline % Row Count 4 (+ 1)
Action: closes eye% Row Count 5 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Muscles of the Head}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Risorius  \newline % Row Count 1 (+ 1)
O: Fascia of masseter muscle \newline % Row Count 2 (+ 1)
I: Skin at angle of mouth \newline % Row Count 3 (+ 1)
Action: Draws corner of lip laterally% Row Count 4 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{The Cells of Skeletal Muscle}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{•The sarcolemma is the covering of each muscle fiber \newline % Row Count 2 (+ 2)
• The sarcoplasm is the cytoplasm of a muscle fiber \newline % Row Count 4 (+ 2)
• The sarcosomes are mitochondria of muscle tissue \newline % Row Count 6 (+ 2)
•The sarcoplasmic reticulum is the endoplasmic reticulum of a muscle tissue \newline % Row Count 8 (+ 2)
• A sarcomere is the contractile unit of a muscle% Row Count 10 (+ 2)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Muscles of the Head}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Temporalis  \newline % Row Count 1 (+ 1)
O: temporal fossa \newline % Row Count 2 (+ 1)
I: coronoid process of mandible \newline % Row Count 3 (+ 1)
Action: elevate and retract mandible% Row Count 4 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
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\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Muscles of the Head}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Temporalis  \newline % Row Count 1 (+ 1)
O: temporal fossa \newline % Row Count 2 (+ 1)
I: coronoid process of mandible \newline % Row Count 3 (+ 1)
Action: elevate and retract mandible% Row Count 4 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
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\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Muscles of the Head}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Buccinator  \newline % Row Count 1 (+ 1)
O: molar region of maxilla \& mandible \newline % Row Count 2 (+ 1)
I: Orbicularis oris \newline % Row Count 3 (+ 1)
Action: Draws corners of the mouth% Row Count 4 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
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\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Muscles of the Head}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{O: zygomatic bone and infraorbital margin of maxilla \newline % Row Count 2 (+ 2)
I: skin and muscle of upper lip and boarder of nostril \newline % Row Count 4 (+ 2)
Action: opens lip; raises and furrows upper lip% Row Count 5 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
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\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{The Cells of Skeletal Muscle}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{• Myofilaments: \newline % Row Count 1 (+ 1)
• contractile proteins \newline % Row Count 2 (+ 1)
• actin- thin \newline % Row Count 3 (+ 1)
• myosin- thick \newline % Row Count 4 (+ 1)
• I band: only actin \newline % Row Count 5 (+ 1)
• A band: actin and myosin \newline % Row Count 6 (+ 1)
• H-zone: only myosin (between actin). Only thick filaments% Row Count 8 (+ 2)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Naming Muscles}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Muscles are named by: \newline % Row Count 1 (+ 1)
 Direction of muscle fibers (in reference to an imaginary line) \newline % Row Count 3 (+ 2)
	- rectus (straight)	- transverse (at a right angle) \newline % Row Count 5 (+ 2)
	- oblique (irregular) \newline % Row Count 6 (+ 1)
 Relative size of muscle \newline % Row Count 7 (+ 1)
	- maximus (largest)		- longus (long) \newline % Row Count 8 (+ 1)
	- minimus (smallest)		- brevis (short) \newline % Row Count 9 (+ 1)
 Location of muscle, or bone its associated with \newline % Row Count 10 (+ 1)
 Number of origins \newline % Row Count 11 (+ 1)
	- bi (2)		-tri (3)		- quad (4) \newline % Row Count 12 (+ 1)
 Location of origin or insertion \newline % Row Count 13 (+ 1)
Shape of muscle \newline % Row Count 14 (+ 1)
	- orbit (circular)		- del (triangular) \newline % Row Count 15 (+ 1)
 Action of muscle \newline % Row Count 16 (+ 1)
	- adductor (bring closer)	- extensor (move away)% Row Count 17 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
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\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Anatomy of a Skeletal Muscle}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{• Thick Filaments: composed of myosin \newline % Row Count 1 (+ 1)
• Thin Filaments: composed of actin \newline % Row Count 2 (+ 1)
• A Bands: dark bands, both actin and myosin (thick). Thick and thin overlap at outer edges  \newline % Row Count 4 (+ 2)
• I Bands: light bands, only actin (thin). Contains thin only  \newline % Row Count 6 (+ 2)
• H Zone: portion of A Band where thick and thin do not overlap  \newline % Row Count 8 (+ 2)
 Z Line: bisect I Bands, compose one sarcomere \newline % Row Count 9 (+ 1)
• T Tubule: indent of sarcolemma at junction of A and I bands% Row Count 11 (+ 2)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
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\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{The Neuromuscular Junction}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{lots ACh released → sarcolemma channels open → K+ and Na+ flow across membrane → action potential → muscle contraction% Row Count 3 (+ 3)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Organization of Skeletal Muscle Cells into Muscles}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Tendons provide durability and conserve space \newline % Row Count 1 (+ 1)
 Are rough collagenic connective tissue that span rough bony prominences; this would destroy more delicate muscle tissue \newline % Row Count 4 (+ 3)
 Are small so more tendons can pass over a joint then muscle tissue \newline % Row Count 6 (+ 2)
Connective Tissue Wrappings \newline % Row Count 7 (+ 1)
 Support and bind muscle fibers \newline % Row Count 8 (+ 1)
 Provide strength to the total muscle \newline % Row Count 9 (+ 1)
 Provide a route for the entry and exit of nerves and blood vessels \newline % Row Count 11 (+ 2)
 The larger the muscle, the more connective tissue% Row Count 12 (+ 1)
} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}