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Parathyroid hormone functions to raise blood calcium levels.

Glucagon and insulin work _________ on blood glucose levels.

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

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

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

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

Cortisol binds to _________ receptors and has the effect of ________ blood glucose levels.

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

The pancreas is located primarily on the ______ side of the body, and it produces an _______ juice that is rich in a variety of enzymes.

Receptors contain modality-gated channels within their plasma membranes.