Human Nutrition (Peristalsis)

Question 1

What is peristalsis?

Answer 1

Peristalsis is a wave of muscular action in the walls of the alimentary canal that moves the contents along

Question 2

What is a wave of muscular action in the walls of the alimentary canal that moves the contents along?

Answer 2

Peristalsis

Question 3

Does peristalsis aid the mechanical or chemical digestion of food?

Answer 3

The mechanical breakdown of food

Question 4

What does peristalsis cause food to mix with?

Answer 4

The secretions of the stomach

Question 5

What does peristalsis do to food after it has mixed with the secretions of the stomach?

Answer 5

It forces the mixture into the small intestine

Question 6

What does peristalsis do to food in the small intestine?

Answer 6

It forces food forwards and backwards

Question 7

Peristalsis moves food forwards and backwards in the small intestine, what does this do?

Answer 7

It helps food to be absorbed

Question 8

Every how many minutes does a strong wave of peristalsis force waste into the rectum?

Answer 8

Every thirty minutes

Question 9

What does peristalsis do in the large intestine?

Answer 9

It forces food to the rectum