Human Nutrition (Grade 11 NSC Matric Life Sciences): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is a bolus?
What is a bolus?
Food chewed and mixed with saliva
What are the five main stages of digestion in the correct order?
What are the five main stages of digestion in the correct order?
Ingestion→Digestion→Absorption→Assim→Egest
What is peristalsis?
What is peristalsis?
Wave-like muscle contractions pushing food
Which enzyme group breaks down proteins into amino acids?
Which enzyme group breaks down proteins into amino acids?
Proteases
What do carbohydrases break down carbohydrates into?
What do carbohydrases break down carbohydrates into?
Simple sugars (glucose)
Approximately how long is the small intestine?
Approximately how long is the small intestine?
6 metres
What is the function of the hepatic portal vein?
What is the function of the hepatic portal vein?
Transports nutrients from intestine to liver
What does the liver convert excess glucose into for storage?
What does the liver convert excess glucose into for storage?
Glycogen
What is emulsification?
What is emulsification?
Bile breaking large fat globules into droplets
What do lacteals in the villi absorb?
What do lacteals in the villi absorb?
Fats