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% Most of the following are not required for the majority
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% Document Info
\author{TristanPerez}
\pdfinfo{
  /Title (respiratory-system.pdf)
  /Creator (Cheatography)
  /Author (TristanPerez)
  /Subject (Respiratory System Cheat Sheet)
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\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
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    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
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\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Respiratory System Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{TristanPerez} via \textcolor{DarkBackground}{\uline{cheatography.com/213589/cs/46493/}}}
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\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
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  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}TristanPerez \\
  \uline{cheatography.com/tristanperez} \\
  \end{tabulary}
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  \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}
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  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
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\begin{document}
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% www.emerson.emory.edu/services/latex/latex_169.html
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\begin{multicols*}{3}

\begin{tabularx}{5.377cm}{x{1.64241 cm} x{3.33459 cm} }
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\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Terms:}}  \tn
% Row 0
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Respiratory Airways: & carry air between atmosphere and alveoli \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Nasal Passages: & nose \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Pharynx: & passage for lungs and stomach \tn 
% Row Count 6 (+ 2)
% Row 3
\SetRowColor{white}
Larynx: & voice box \tn 
% Row Count 7 (+ 1)
% Row 4
\SetRowColor{LightBackground}
Trachea: & tube where air travels to lungs \tn 
% Row Count 9 (+ 2)
% Row 5
\SetRowColor{white}
Bronchi: & two main branches of trachea \tn 
% Row Count 11 (+ 2)
% Row 6
\SetRowColor{LightBackground}
Bronchioles: & small branches of respiratory airway \tn 
% Row Count 13 (+ 2)
% Row 7
\SetRowColor{white}
Alveoli: & small sacs where gas exchange occurs \tn 
% Row Count 15 (+ 2)
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\par\addvspace{1.3em}

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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{System}}  \tn
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\mymulticolumn{1}{p{5.377cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/tristanperez_1748378550_Screenshot 2025-05-27 at 12.55.41 PM.png}}} \tn 
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\begin{tabularx}{5.377cm}{x{1.34379 cm} x{3.63321 cm} }
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\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{4 Pressures in Ventilation}}  \tn
% Row 0
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\seqsplit{Atmospheric:} & pressure exerted by the weight of gas in the atmosphere on objects on earth \tn 
% Row Count 3 (+ 3)
% Row 1
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\seqsplit{Intra-alveolar:} & pressure within alveoli \tn 
% Row Count 5 (+ 2)
% Row 2
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\seqsplit{Intrapleural:} & pressure within the pleural sac \tn 
% Row Count 7 (+ 2)
% Row 3
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\seqsplit{Transmural:} & pressure gradient across lung wall (intra-alveolar - intrapleural) \tn 
% Row Count 10 (+ 3)
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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Conducting Zone}}  \tn
% Row 0
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\mymulticolumn{1}{x{5.377cm}}{- Top of trachea all the way to respiratory bronchioles} \tn 
% Row Count 2 (+ 2)
% Row 1
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\mymulticolumn{1}{x{5.377cm}}{- Provides low-resistance pathway for airflow} \tn 
% Row Count 3 (+ 1)
% Row 2
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\mymulticolumn{1}{x{5.377cm}}{- Defends against microbes, toxic chemicals, and other foreign objects through mucus, cilia, and macrophages} \tn 
% Row Count 6 (+ 3)
% Row 3
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\mymulticolumn{1}{x{5.377cm}}{- Warms and moistens the air} \tn 
% Row Count 7 (+ 1)
% Row 4
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\mymulticolumn{1}{x{5.377cm}}{- Used in sound production (vocal cords)} \tn 
% Row Count 8 (+ 1)
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\begin{tabularx}{5.377cm}{X}
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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Respiratory Zone}}  \tn
% Row 0
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\mymulticolumn{1}{x{5.377cm}}{- Where gas exchange occurs} \tn 
% Row Count 1 (+ 1)
% Row 1
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\mymulticolumn{1}{x{5.377cm}}{- Type 1 Cells: form walls of alveoli} \tn 
% Row Count 2 (+ 1)
% Row 2
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\mymulticolumn{1}{x{5.377cm}}{- Type 2 Cells: secrete pulmonary surfactant to reduce surface tension} \tn 
% Row Count 4 (+ 2)
% Row 3
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\mymulticolumn{1}{x{5.377cm}}{- Alveoli are the site of the gas exchange} \tn 
% Row Count 5 (+ 1)
% Row 4
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\mymulticolumn{1}{x{5.377cm}}{- Alveolar surface is large as to allow rapid exchange of oxygen and carbon dioxide through diffusion} \tn 
% Row Count 8 (+ 3)
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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Lungs}}  \tn
% Row 0
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\mymulticolumn{1}{x{5.377cm}}{- Consists of lower portion of respiratory airways, pulmonary circulation, and connective tissue} \tn 
% Row Count 2 (+ 2)
% Row 1
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\mymulticolumn{1}{x{5.377cm}}{- Pleural sacs: thin fluid-filled sacs that enclose the lungs} \tn 
% Row Count 4 (+ 2)
% Row 2
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\mymulticolumn{1}{x{5.377cm}}{- Pleura produce fluid that lubricates the lungs to prevent friction when breathing} \tn 
% Row Count 6 (+ 2)
% Row 3
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\mymulticolumn{1}{x{5.377cm}}{- Pressure Gradient: air moves from area of high pressure to area of low pressure} \tn 
% Row Count 8 (+ 2)
% Row 4
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\mymulticolumn{1}{x{5.377cm}}{- Respiratory pressures are always relative to atmospheric pressure} \tn 
% Row Count 10 (+ 2)
% Row 5
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\mymulticolumn{1}{x{5.377cm}}{- High altitude = Low atmospheric pressure} \tn 
% Row Count 11 (+ 1)
% Row 6
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% Row Count 12 (+ 1)
% Row 7
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\mymulticolumn{1}{x{5.377cm}}{- Boyle's Law: at constant temperature the pressure of a gas varies inversely with its volume} \tn 
% Row Count 14 (+ 2)
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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{During Inspiration}}  \tn
% Row 0
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\mymulticolumn{1}{x{5.377cm}}{- Diaphragm contracts increasing thoracic cavity vertically} \tn 
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% Row 1
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\mymulticolumn{1}{x{5.377cm}}{- External intercostal muscles contract elevating rib cage} \tn 
% Row Count 4 (+ 2)
% Row 2
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% Row Count 6 (+ 2)
% Row 3
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\mymulticolumn{1}{x{5.377cm}}{- Lungs expand} \tn 
% Row Count 7 (+ 1)
% Row 4
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\mymulticolumn{1}{x{5.377cm}}{- Intra-alveolar pressure becomes subatmospheric} \tn 
% Row Count 8 (+ 1)
% Row 5
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\mymulticolumn{1}{x{5.377cm}}{- Air flows into alveoli} \tn 
% Row Count 9 (+ 1)
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% Row 0
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% Row Count 1 (+ 1)
% Row 1
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% Row Count 2 (+ 1)
% Row 2
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% Row Count 4 (+ 2)
% Row 3
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% Row Count 5 (+ 1)
% Row 4
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\mymulticolumn{1}{x{5.377cm}}{- Air in alveoli becomes compressed} \tn 
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% Row 5
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\mymulticolumn{1}{x{5.377cm}}{- Intra-alveolar pressure becomes greater than atmospheric pressure} \tn 
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% Row 6
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\mymulticolumn{1}{x{5.377cm}}{- Air flows out of lungs} \tn 
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\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Gas Exchange}}  \tn
% Row 0
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Gas exchange: & - continuous exchange of O2 and CO between environment and body2 \tn 
% Row Count 3 (+ 3)
% Row 1
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 & - movement of gases occurs by passive diffusion down partial pressure gradient \tn 
% Row Count 6 (+ 3)
% Row 2
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 & - diffuse from area of high partial pressure to areas of low partial pressure \tn 
% Row Count 9 (+ 3)
% Row 3
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Partial Pressures: & - independent pressure exerted by a particular gas \tn 
% Row Count 11 (+ 2)
% Row 4
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 & - directly proportional to percentage of gas in that total mixture \tn 
% Row Count 14 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
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\par\addvspace{1.3em}


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

\end{document}