Critical Thinking Questions - Part I

Nephrons, the functional unit of kidneys, are responsible for formation of urine. the sentences describe situations that are the result of problems in the urine formation process. for the nephron shown below, match each situation to the step in the urine formation process where the problem lies.

Why do the circulatory systems of land vertebrates have separate circuits to the lungs and to the rest of the body?

List the substances normally stored in bone tissue