Most of the exchange surfaces of multicellular animals are lined with
A)connective tissue.
B)muscle tissue.
C)nervous tissue.
D)epithelial tissue.

Question

Quizplus · Accepted Answer

Epithelial tissue is responsible for lining the exchange surfaces of multicellular animals. This tissue is specialized for functions such as absorption, secretion, and protection, which are essential to maintaining the proper balance of substances within the body. Examples of exchange surfaces lined with epithelial tissue include the alveoli in the lungs, the villi and microvilli in the small intestine, and the capillaries throughout the body.

Most of the Exchange Surfaces of Multicellular Animals Are Lined