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Summary Human and animal physiology topic of IBDP biology higher level
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Human and animal physiology topic of IBDP biology higher level
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By A rathi Anand,A
:
, Digestive system
nisayimrygiands Ingestion protein É peptides → amino acid
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•
" d b
Digestion EHS" "
☐
lipids Éfd "" ratty acids
-
stomach
£ /
glycerol
may,so
¥§⇐ÉEj!÷
Absorption % Nucleotides
small intestine
Nucleic acids
-
•
,
.me d monosaccharides ,
bases ,
Assimilation phosphates .
L J
yTRectm
→ Anis
Respiration Anabolism
=÷÷%¥÷:n moistens food into a bolus .
$
.ua#ion
Oesophagus
.
(
"" " "" "" "
stomach
|/
aallblader
stores / concentrates
liver bile .
☐
Detoxifies certain f
molecules .
☐
stores vitamins , pancreas
µ
" " " " " on " "" " "
/
"""" " " me "
☐
Synthesizes bile .
Releases hormones ( e. g. Insulin )
small intestine
|
large Absorbs nutrients
Intestine
Absorbs water
and ions .
FEI:L;) stomach
stores and churns
,
•
food
Rectum
Begins protein digestion
☐
stores and
expels faeces
MOUTH :
food
☐
chewing / Physical digestion of the .
produce ball of food called bolus
Salim moistens the food
a .
o
,
starch to maltose
°
Saliva amylase begins chemical digestion of .
OESOPHAGUS :
°
Aware of muscle contraction to push the bolus to stomach ; such as movement OF muscle called peristalsis .
☐ Peristalsis also occurs in small intestine .
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