Summary IB Biology HL Digestion and Absorption Notes

Digestion Peristalsis

itiii iiiii
break smallersubunits
largemoleculeinto


ffI ffftp nfownhh ff n
in
t.cnnwfzqn acids low
grindingfood stomach1 pH
2 ajfYtYf8famra9
iiiiiiiiiii
2Churning squeezing
fi
t.IE
I
I
t

Me
www i iiiiiii
accessoryorgans support
digestionprocesses
3nEga
r


digestive retesmov t
in iiiii
Exod.ieiivekniim

2 Hiiiii.ge hase
f ti thIe in
sgiaiaargyyoesopnagustfr 1 contains
enzymes Ty
I FIa iaetfheYptafnf isd
1
iiii
iiiiiii.it É

Iiii itiiiiiii i ii.it iii
iiiii
neutralise acid
stomach

siteofnutrientabsorption
ii.ig n
iiiiii 2 E
SmallIntestineWall ileum controlled
byhormonesf
Longitudinalcross section Transversecrosssection thehfeto.initouashsdystteh



man if.im
iiiiEiiifiii Digestive
mucosa
villus a carboh




MIL
offers my lipids


ii iiiii
i iÉi ÉÉi no protein
starch
serosa outer.at

iihffii.f
Villi fingerlikeprojectionsofthemucosa increasesurfaceareaofepitheliumforabsorption
sucrose g
microvilli cell
epithelial
triglycerides
ftp.ffyfgffffffgffg
epithelium cellsecretemucus
goblet Ph
ftpgtuiggn phospholipids

Pep
2sk571esuffo Efouring
É proteins

Éd hhhIh
a t
ff if Iffy iiiiii
i
fÉÉ
f
i.LI siIm fi iii
DNAandRN



Absorption
1monosaccharides
3
inherithiuminium


f.fi
ff
iiiiifii
iiiiiiigii
iim.gg
n
n.gg
fmiff
f
ii
monoglyceridesglycerol
4 A
bases T.GG
nucleotide

diff



it t