A comparison of the two major body fluid compartments reveals that

Compared to young adults, the elderly usually have ______ levels of circulating growth hormone and _____ levels of circulating sex hormones.

 This figure shows a frontal section of the kidney. Which number(s) indicate a renal papilla?

Parathyroid hormone functions to raise blood calcium levels.

Which is the layer of the serous membrane that directly covers the surface of internal organs?

Glucagon and insulin work _________ on blood glucose levels.

Aldosterone release can be triggered by the presence of the blood-borne messenger angiotensin II or by low levels of sodium, and so its secretion regulation is said to be

Suspensory ligaments function to change the shape of the lens within the eye.

The part of the cochlea that converts pressure waves (from sounds) into changes in membrane potentials is the

These receptors detect changes in pressure within the body caused by the stretch or distention of internal structures.