The muscles in the stomach aid in digestion by
a. secreting bile
b. churning, or mixing, food
c. opening and closing the stomach
d. absorbing nutrients

Churning or mixing food.

The stomach is a muscular sac that lies between theesophagus and thesmall intestine in the upper abdomen. The stomach is not the only part of your digestive system that absorbs food but rather is a part of the digestive system and important for churning food into a consistency that is easier to digest for the rest of your intestines.

B.churning, or mixing, food

Explanation:

got it right on the quiz . :)

d and c

Explanation: