Hematopoiesis occurs primarily in the bone marrow in adults.

ADH decreases the number of aquaporins in the collecting ducts.

This means increased levels of carbon dioxide in the blood.

This is the ability to stretch the lungs.

This structure uses ultrafiltration and receives blood from an afferent arteriole.

This is the main type of nitrogenous waste that humans excrete.

This part of the nephron reabsorbs ~75% of the filtrate using active transport for glucose, sodium ions, and potassium ions (followed by diffusion of water and chloride ions).

This is the innermost portion of the kidney, and it collects urine and leads to the ureter.

Residual volume must be estimated because it cannot be measured with a spirometer.

The descending limb is permeable to water, but the ascending limb is not.