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\usepackage{lastpage}           % Needed for total page number
\usepackage{seqsplit}           % Splits long words.
%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
\usepackage{amsmath}            % Symbols
\usepackage{MnSymbol}           % Symbols
\usepackage{wasysym}            % Symbols
%\usepackage[english,german,french,spanish,italian]{babel}              % Languages

% Document Info
\author{akarasan}
\pdfinfo{
  /Title (homeostasis-cheat-sheet.pdf)
  /Creator (Cheatography)
  /Author (akarasan)
  /Subject (Homeostasis Cheat Sheet)
}

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% This two commands together give roughly
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% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
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% Header and Footer
\pagestyle{fancy}
\fancyhead{} % Set header to blank
\fancyfoot{} % Set footer to blank
\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
    \SetRowColor{DarkBackground}
    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
    }
\end{tabulary}
\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Homeostasis Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{akarasan} via \textcolor{DarkBackground}{\uline{cheatography.com/213593/cs/46496/}}}
\end{tabulary}
\end{multicols}}

\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
  \SetRowColor{FootBackground}
  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}akarasan \\
  \uline{cheatography.com/akarasan} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Not Yet Published.\\
   Updated 27th May, 2025.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
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  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
  \SetRowColor{white}
  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




\begin{document}
\raggedright
\raggedcolumns

% Set font size to small. Switch to any value
% from this page to resize cheat sheet text:
% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.

\begin{multicols*}{3}

\begin{tabularx}{5.377cm}{p{0.4977 cm} p{0.4977 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{What is Homeostasis?}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{} \tn 
% Row Count 0 (+ 0)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{Dynamic equilibrium that maintains the body's internal conditions within a stable range around a set point}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.59501 cm} x{1.51041 cm} x{2.47158 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{Primary Types of Tissue}}  \tn
% Row 0
\SetRowColor{LightBackground}
Type & Divisions & Function \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\seqsplit{Muscle} & cardiac, smooth, skeletal & contraction \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{Nervous} & central, peripheral & signaling \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
\seqsplit{Epithelial} & epithelial sheets, glands & exchange, division, secretion, absorption \tn 
% Row Count 7 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\seqsplit{Connective} & bone, tendons, blood & anatomical structural support \tn 
% Row Count 9 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\SetRowColor{LightBackground}
\mymulticolumn{3}{x{5.377cm}}{Organs are made of a combination of all tissue types}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.14425 cm} x{1.60195 cm} x{1.8308 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{Cell-Cell Communication}}  \tn
% Row 0
\SetRowColor{LightBackground}
Name & Type & Function \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Gap Junctions & Direct Intercellular Communication & specialized intercellular connection that directly links the cytoplasm of two adjacent cells, \tn 
% Row Count 7 (+ 6)
% Row 2
\SetRowColor{LightBackground}
Transient Direct Linkup & Direct Intercellular Communication & surface molecules of nearby cells join temporarily before breaking away \tn 
% Row Count 12 (+ 5)
% Row 3
\SetRowColor{white}
Autocrine Secretion & Direct Intracellular Communication & cell releases chemical messengers that bind to releasing cell, regulating its own function \tn 
% Row Count 18 (+ 6)
% Row 4
\SetRowColor{LightBackground}
Paracrine Secretion & Indirect Intercellular Communication & cell releases chemical messengers that act on nearby cells \tn 
% Row Count 22 (+ 4)
% Row 5
\SetRowColor{white}
\seqsplit{Neurotransmitter} Secretion & Indirect Intercellular Communication & neuron releases \seqsplit{neurotransmitters} to communicate with other neurons and target cells \tn 
% Row Count 28 (+ 6)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
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\par\addvspace{1.3em}

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\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Body Systems}}  \tn
% Row 0
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Circulatory System & heart, blood vessels, and blood \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Digestive System & mouth, esophagus, stomach, intestines, involved organs \tn 
% Row Count 5 (+ 3)
% Row 2
\SetRowColor{LightBackground}
Respiratory System & lungs and airways \tn 
% Row Count 7 (+ 2)
% Row 3
\SetRowColor{white}
Urinary System & kidneys and involved organs \tn 
% Row Count 9 (+ 2)
% Row 4
\SetRowColor{LightBackground}
Skeletal System & bones and joints \tn 
% Row Count 11 (+ 2)
% Row 5
\SetRowColor{white}
Immune System & WBCs and lymphoid organs \tn 
% Row Count 12 (+ 1)
% Row 6
\SetRowColor{LightBackground}
Muscular System & skeletal muscles \tn 
% Row Count 14 (+ 2)
% Row 7
\SetRowColor{white}
\seqsplit{Integumentary} System & skin \tn 
% Row Count 16 (+ 2)
% Row 8
\SetRowColor{LightBackground}
Nervous System & brain, spinal cord, nerves, and sense organs \tn 
% Row Count 18 (+ 2)
% Row 9
\SetRowColor{white}
Endocrine System & hormone secreting glands \tn 
% Row Count 20 (+ 2)
% Row 10
\SetRowColor{LightBackground}
Reproductive System & male and female sex organs \tn 
% Row Count 22 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
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\par\addvspace{1.3em}

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\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{Endocrine vs. Nervous Signaling}}  \tn
% Row 0
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 & Nervous & Endocrine \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\seqsplit{Arrangment} & wired: neurons and their targets are mostly fixed & wireless: glands and their targets are positioned throughout the body \tn 
% Row Count 6 (+ 5)
% Row 2
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\seqsplit{Transmission} \seqsplit{Locaiton} & synaptic cleft & blood \tn 
% Row Count 9 (+ 3)
% Row 3
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Action \seqsplit{Distance} & short distance & long distance \tn 
% Row Count 11 (+ 2)
% Row 4
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Speed & fast & slow \tn 
% Row Count 12 (+ 1)
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\mymulticolumn{3}{x{5.377cm}}{The interplay between the endocrine and nervous system is significant to maintaining homeostasis}  \tn 
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\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{3 Homeostatic Fluids}}  \tn
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\mymulticolumn{1}{p{5.377cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/akarasan_1748377999_Screenshot 2025-05-27 at 1.26.12 PM.png}}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Homeostasis involves the exchange of signaling molecules through three main fluids: intracellular \newline fluid, the interstitial fluid, and blood plasma}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Levels of Body System Organization}}  \tn
% Row 0
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\mymulticolumn{1}{x{5.377cm}}{Atom} \tn 
% Row Count 1 (+ 1)
% Row 1
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% Row Count 2 (+ 1)
% Row 2
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% Row Count 3 (+ 1)
% Row 3
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% Row Count 4 (+ 1)
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% Row Count 5 (+ 1)
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% Row Count 6 (+ 1)
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% Row Count 7 (+ 1)
% Row 7
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\mymulticolumn{1}{x{5.377cm}}{Organism} \tn 
% Row Count 8 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\mymulticolumn{1}{x{5.377cm}}{All system layers besides atoms and molecules are dependent on water!}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.32733 cm} x{2.79197 cm} p{0.4577 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{Negative Feedback Example: Temperature}}  \tn
% Row 0
\SetRowColor{LightBackground}
Pathway Segment & Analogous Physiological Structure/Response &  \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Stimulus & body temperature rises &  \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
Sensors & temperature sensitive cells &  \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
Afferent Pathway & change in body temperature sent to control center &  \tn 
% Row Count 8 (+ 3)
% Row 4
\SetRowColor{LightBackground}
Control Center & thermoregulatory center in brain &  \tn 
% Row Count 10 (+ 2)
% Row 5
\SetRowColor{white}
Efferent Pathway & signal sent to effector organs &  \tn 
% Row Count 12 (+ 2)
% Row 6
\SetRowColor{LightBackground}
Effectors & sweat glands &  \tn 
% Row Count 13 (+ 1)
% Row 7
\SetRowColor{white}
Response & body begins to sweat and sweat evaporates &  \tn 
% Row Count 15 (+ 2)
% Row 8
\SetRowColor{LightBackground}
Result & body temperature falls &  \tn 
% Row Count 16 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Homeostatic Pathway}}  \tn
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\mymulticolumn{1}{p{5.377cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/akarasan_1748378353_Screenshot 2025-05-27 at 1.36.42 PM.png}}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Sensor: Sensor picks up a deviation from the set point \newline Afferent Signal: sends information from sensor to Control Center \newline Control Center: integrates and processes signal \newline Efferent Signal: sends information from Control Center to Effector \newline Effector: initiates response to remediate deviation \newline Response!}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.89126 cm} x{3.08574 cm} }
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\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Definitions}}  \tn
% Row 0
\SetRowColor{LightBackground}
Term & Definition \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Dynamic Constancy & internal body conditions fluctuate about a set point rather than being fixed \tn 
% Row Count 5 (+ 4)
% Row 2
\SetRowColor{LightBackground}
Negative Feedback & change in a variable triggers a response to oppose the change, bringing system back to set point range \tn 
% Row Count 10 (+ 5)
% Row 3
\SetRowColor{white}
Positive Feedback & change in a variable triggers a furthering in response in the same direction away from the set point \tn 
% Row Count 15 (+ 5)
% Row 4
\SetRowColor{LightBackground}
Intrinsic Control Systems & homeostatic control pathways that are built into an organ itself \tn 
% Row Count 18 (+ 3)
% Row 5
\SetRowColor{white}
Extrinsic Control Systems & homeostatic control pathway is maintained outside of the target organ \tn 
% Row Count 21 (+ 3)
% Row 6
\SetRowColor{LightBackground}
Feedforward Mechanism & homeostatic mechanisms that predicts a change, initiating a response and through body rhythms \tn 
% Row Count 25 (+ 4)
% Row 7
\SetRowColor{white}
\seqsplit{Pathophysiology} & physiological changes in bodily functions due to disease or injury \tn 
% Row Count 28 (+ 3)
% Row 8
\SetRowColor{LightBackground}
Hormone & signaling molecule secreted by endocrine glands that travel through the blood to reach target organs and cells \tn 
% Row Count 33 (+ 5)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{5.377cm}{x{1.89126 cm} x{3.08574 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Definitions (cont)}}  \tn
% Row 9
\SetRowColor{LightBackground}
alpha cells & pancreatic cells that release glucagon \tn 
% Row Count 2 (+ 2)
% Row 10
\SetRowColor{white}
beta cells & pancreatic cells that release insulin \tn 
% Row Count 4 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}