Mammalian Digestive System (HSC SSCE Biology): Flashcards
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10 cards from this deck
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Practise the cards
10 cards from this deck
Heterotrophs
Heterotrophs
Organisms that obtain nutrients by consuming external food
Mechanical digestion
Mechanical digestion
Physical breakdown of food into smaller pieces
Salivary amylase breaks down
Salivary amylase breaks down
Starch into maltose
Bolus
Bolus
Ball-like mass of chewed food shaped by tongue
Peristalsis
Peristalsis
Wave-like muscular contractions that move food
Chyme
Chyme
Semi-liquid mixture formed in stomach
Three regions of small intestine
Three regions of small intestine
Duodenum, jejunum, ileum
Bile's function
Bile's function
Emulsifies fats (breaks large fat globules into droplets)
Villi
Villi
Finger-like projections that increase absorption surface area
Where glucose & amino acids are absorbed
Where glucose & amino acids are absorbed
Blood capillaries in villi