Organ Function

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First found May 22, 2018

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Organ
MOUTH
OESPHAGUS
Function

Involved in: INGESTION,

MECHANICAL - Teeth -

Tongue -

Bolus Formation -

Chewing -

Swallowing -

CHEMICAL: Salivary Glands – Salivary Amylase
MOVEMENT by Peristalsis Layers of Alimentary canal: Serosa (Peritoneum), Longitudinal and circular muscle
layer, Submucosa, Mucosa
STOMACH
MECHANICAL 3 muscular layers -
CHEMICAL Gastric juice contains:
Mucus Hydrochloric acid –
Pepsinogen  Pepsin –
PANCREAS
LIVER
CHEMICAL – secretes pancreatic enzymes into duodenum

Pancreatic Amylase

Pancreatic Protease

Pancreatic lipase
MECHANICAL – secretes Bile salts – emulsify fats
Also rids toxins etc as blood travels via hepatic portal blood.
SMALL
MECHANICAL – segmentation
INTESTINES
CHEMICAL

Intestinal Amylase

Intestinal Protease

Intestinal Lipase
ABSORPTION – explain why well suited to function,

Length

Folds

Villi

Microvilli

Thickness of cell

Blood Capillary Network

Lacteals
Diffusion & Active Transport - how glucose, amino acids and fats absorb?
Glucose:
Amino Acids:
Fats:
LARGE
Absorption of water and remaining vitamins and minerals
INTESTINES
Elimination –
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