The net intake and output of calcium for the entire body is regulated most directly by the activities of the kidneys and the gastrointestinal tract.

Question

Quizplus · Accepted Answer

The kidneys regulate the amount of calcium excreted in the urine, while the gastrointestinal tract controls the absorption of calcium from food. Together, these processes determine the net intake and output of calcium in the body, which is important for maintaining bone health and other physiological functions. Hormones such as parathyroid hormone and calcitonin also play a role in regulating calcium levels in the body.

The Net Intake and Output of Calcium for the Entire