Question

Regular exercise stimulates
moving to assist in digestion and excretion.
_ which keeps the skeletal muscles
(1 point)
• peristalsis
urea
• digestion
• villi

Answer 1

The correct word to fill in the blank is **peristalsis**.

So the complete sentence would be:

"Regular exercise stimulates peristalsis, which keeps the skeletal muscles moving to assist in digestion and excretion."