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Answered

The human digestive system is approximately 900 cm. long. Food is moved through the digestive tract primarily by?


options:

a. bile produce by pancreas

b. hydrochloric acid by the stomach

c. muscular contractions

d. the enzyme amylase and pepsin

Sagot :

PATULONGSAMODULE31GO

Answer:

I think letter "C" po

Explanation:

C. Because The movement of organ walls—called peristalsis—propels food and liquid through the GI tract and mixes the contents within each organ. Peristalsis looks like an ocean wave traveling through the muscle as it contracts and relaxes.

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