The digestive system and nutrition

Question 1 of 10

Digestion begins in the

Question 2 of 10

Roughage helps prevent constipation.

Question 3 of 10

The process of breaking down food into small soluble substances is

Question 4 of 10

Carbohydrates are needed mainly for

Question 5 of 10

The muscular tube from the mouth to the stomach is the ___.

Question 6 of 10

Lack of protein in children can cause

Question 7 of 10

Explain how the small intestine is adapted for absorption.

Question 8 of 10

Proteins are mainly energy-giving foods.

Question 9 of 10

A diet with all nutrients in the right amounts is a ___ diet.

Question 10 of 10

Lack of iodine can cause