\documentclass[10pt,a4paper]{article}

% Packages
\usepackage{fancyhdr}           % For header and footer
\usepackage{multicol}           % Allows multicols in tables
\usepackage{tabularx}           % Intelligent column widths
\usepackage{tabulary}           % Used in header and footer
\usepackage{hhline}             % Border under tables
\usepackage{graphicx}           % For images
\usepackage{xcolor}             % For hex colours
%\usepackage[utf8x]{inputenc}    % For unicode character support
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\usepackage{colortbl}           % For coloured tables
\usepackage{setspace}           % For line height
\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{boojiebaba}
\pdfinfo{
  /Title (biology-b5e-h.pdf)
  /Creator (Cheatography)
  /Author (boojiebaba)
  /Subject (Biology B5e-h Cheat Sheet)
}

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% This two commands together give roughly
% the right line height in the tables
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\onehalfspacing

% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
\newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols
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% Font and Colours
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\renewcommand{\familydefault}{\sfdefault}
\color{TextColor}

% 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{Biology B5e-h Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{boojiebaba} via \textcolor{DarkBackground}{\uline{cheatography.com/25926/cs/7036/}}}
\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}boojiebaba \\
  \uline{cheatography.com/boojiebaba} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 6th February, 2016.\\
   Updated 11th May, 2016.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \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}{x{1.34379 cm} x{3.63321 cm} }
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\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Functions}}  \tn
% Row 0
\SetRowColor{LightBackground}
salivary glands & produce saliva that moistens food and contains carbohydrase enzymes \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
stomach & produces hydrochloric acid and protease enzymes \tn 
% Row Count 5 (+ 2)
% Row 2
\SetRowColor{LightBackground}
pancreas & produces carbohydrase, protease and lipase enzymes \tn 
% Row Count 7 (+ 2)
% Row 3
\SetRowColor{white}
liver & produces bile \tn 
% Row Count 8 (+ 1)
% Row 4
\SetRowColor{LightBackground}
gall bladder & stores bile \tn 
% Row Count 10 (+ 2)
% Row 5
\SetRowColor{white}
small intestine & produces carbohydrase, protease and lipase enzymes, and absorbs digested food \tn 
% Row Count 13 (+ 3)
% Row 6
\SetRowColor{LightBackground}
large intestine & absorbs water \tn 
% Row Count 15 (+ 2)
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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}{Positioning}}  \tn
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\mymulticolumn{1}{p{5.377cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/boojiebaba_1454770436_digestive system.png}}} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Physical vs Chemical Digestion}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Physical digestion}} breaks food into smaller pieces by: \{\{nl\}\}-chewing in the mouth \{\{nl\}\}-squeezing in the stomach  This is done so that: \{\{nl\}\}-food can pass more easily through the digestive system \{\{nl\}\}-a larger surface area is provided for enzymes to work on} \tn 
% Row Count 6 (+ 6)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Chemical digestion}} uses digestive enzymes to breakdown large food molecules into smaller ones so they can be absorbed into the blood.  The products of chemical digestion are absorbed into the body in the small intestine: \{\{nl\}\}-sugars and amino acids pass into the bloodstream by diffusion \{\{nl\}\}-fatty acids and glycerol pass into the lymph} \tn 
% Row Count 13 (+ 7)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.66832 cm} x{0.96071 cm} x{1.21133 cm} x{1.33664 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{4}{x{5.377cm}}{\bf\textcolor{white}{Enzymes}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{enzyme}} & {\bf{breaks down...}} & {\bf{into...}} & {\bf{in the...}} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\seqsplit{carbohydrase} & starch & sugar & mouth + small intestine \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{protease} & protein & amino acids & stomach + small intestine \tn 
% Row Count 7 (+ 3)
% Row 3
\SetRowColor{white}
\seqsplit{lipase} & fat & fatty acids + glycerol & small intestine \tn 
% Row Count 9 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}----}
\SetRowColor{LightBackground}
\mymulticolumn{4}{x{5.377cm}}{Stomach acid provides the correct pH for stomach protease to function properly.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}----}
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\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Breakdown of starch}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{1. starch -{}-\textgreater{} maltose \newline % Row Count 1 (+ 1)
2. maltose -{}-\textgreater{} glucose% Row Count 2 (+ 1)
} \tn 
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\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Small intestine adaptations}}  \tn
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Image could not be loaded.} \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{-it has a thin lining \newline -it has a good blood supply \newline -it is very long and has a large surface area \newline -villi provide a large surface area for absorption to take place \newline -villi have a rich supply of blood vessels to carry away absorbed molecules.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{pH differences}}  \tn
% Row 0
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\mymulticolumn{1}{x{5.377cm}}{Why is the pH in the mouth and small intestine alkaline, but the pH in the stomach is at acidic levels?} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}The enzymes there work at different optimum pH levels.} \tn 
% Row Count 5 (+ 5)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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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}{Bile purpose}}  \tn
% Row 0
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\mymulticolumn{1}{x{5.377cm}}{What is the purpose of bile?} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}To lower the pH of food as it moves from the stomach to the small intestine.} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{How does bile (from the gall bladder) improve fat digestion?} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}It emulsifies (breaks down) fats in the small intestine. This provides a larger surface area in which the lipases can work.} \tn 
% Row Count 8 (+ 5)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


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

\end{document}