Movements of the Alimentary Canal

Question 1

What are the two movements within the alimentary canal?

Answer 1

mixing movements

Propelling movements

Question 2

What are the two organs in mixing movements

Answer 2

stomach

Small intestine

Question 3

What is the organ in propelling movements

Answer 3

Peristalsis

Question 4

What does the stomach does in the mixing movements?

Answer 4

Rhythmic contractions of small sections of muscle – waves of contraction

Question 5

What does the small intestine does in the mixing movements?

Answer 5

Segmentation – alternation of contraction and relaxation in non-adjacent parts of canal
Back and forth movement so Not moved along

Question 6

What does the peristalsis do in the propelling movement?

Answer 6

Ring of muscle contraction in canal
Ahead muscle wall relaxes
Ring of contraction moves along as relaxation occurs ahead of it
Contents of the canal are pushed along