Question

1. Nutrients move from the digestive system into the blood by traveling through ___________, tiny tubes sticking out of the wall of the small intestine.

2. In the body's excretory system, urea and water travel from the blood into the kidneys and diffuse into __________

Answer 1

Answer and Explanation:

Nutrients move from the digestive system into the blood by traveling through villi, tiny tubes sticking out of the wall of the small intestine.

2. In the body's excretory system, urea and water travel from the blood into the kidneys and diffuse into collecting ducts