The Digestive System (VCE SSCE Biology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What term describes animals that cannot produce their own food and must consume other organisms?
What term describes animals that cannot produce their own food and must consume other organisms?
Heterotrophs
Which enzyme type breaks down proteins into amino acids?
Which enzyme type breaks down proteins into amino acids?
Proteases
What are the four stages of digestion in order?
What are the four stages of digestion in order?
Ingestion, digestion, absorption, elimination
What is the pH range of the stomach?
What is the pH range of the stomach?
pH 1-3
Which organ is the main site of nutrient absorption?
Which organ is the main site of nutrient absorption?
Small intestine
What is peristalsis?
What is peristalsis?
Wave-like muscle contractions pushing food
What are the four tissue layers of the digestive tract from inside to outside?
What are the four tissue layers of the digestive tract from inside to outside?
Mucosa, submucosa, muscularis, serosa
What digestive tract feature do herbivores have compared to carnivores?
What digestive tract feature do herbivores have compared to carnivores?
Very long digestive tracts
What is the function of the gizzard in birds?
What is the function of the gizzard in birds?
Stores food mechanically and grinds it
What structures increase surface area for absorption in the small intestine?
What structures increase surface area for absorption in the small intestine?
Villi and microvilli