Which of the following phrases describe the function of the digestive system? l. Smooth, muscular tube connects the mouth to the stomach
ll. Muscular action in the esophagus pushed food to the stomach
lll. Structures called the microvilli to increase the surface area of the intestines
lV. Nutrients are made available to the body's cells

A. l and ll
B. ll and lll
C. ll and lV
D. lll and lV

B. ll and lll

Explanation:

The question above is asking for the "function" of the Digestive System. Function refers to how the digestive system actually works.

I is not related to the function of the digestive system. It only describes the "esophagus."

II is called the "Peristalsis." This is one of the functions of the digestive system. This allows the food to move down the GI tract.

III is part of the process called "Segmentation." This is one of the functions of the digestive system. The increase surface area of the microvilli expands 25 times and this allows greater absorption of food.

IV is not related to the function of the digestive system.

c. would be the answer : )

explanation:

one characteristic that is shared by all is a soft body. many

of these invertebrate animals also have an outer shell to protect their

body. oysters, clams, snails, and mussels are all mollusks. so are octopuses, squids, and slugs. mollusks live on land and in freshwater.