What is a sphincter muscle?

Important Questions on Animal Nutrition

HARD

Upper Secondary: IGCSE

IMPORTANT

Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 7 - Animal Nutrition>Questions>Q 7.16

Name two places in the alimentary canal where sphincter muscles are found.

HARD

Upper Secondary: IGCSE

IMPORTANT

Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 7 - Animal Nutrition>Questions>Q 7.17

In which parts of the alimentary canal is mucus secreted? Explain why.

HARD

Upper Secondary: IGCSE

IMPORTANT

Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 7 - Animal Nutrition>Questions>Q 7.18

Name two parts of the alimentary canal where amylase is secreted. What does it do?

HARD

Upper Secondary: IGCSE

IMPORTANT

Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 7 - Animal Nutrition>Questions>Q 7.19

What is the epiglottis?

HARD

Upper Secondary: IGCSE

IMPORTANT

Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 7 - Animal Nutrition>Questions>Q 7.20

Why do the walls of the stomach secrete hydrochloric acid?

HARD

Upper Secondary: IGCSE

IMPORTANT

Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 7 - Animal Nutrition>Questions>Q 7.21

Which two parts of the alimentary canal make up the small intestine?

HARD

Upper Secondary: IGCSE

IMPORTANT

Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 7 - Animal Nutrition>Questions>Q 7.22

Which two digestive juices are secreted into the duodenum?

HARD

Upper Secondary: IGCSE

IMPORTANT

Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 7 - Animal Nutrition>Questions>Q 7.23

How do bile salts help in digestion?