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Surface tension at the surface of the water and air in alveoli resists inspiration. To decrease this surface tension, the great (type II) alveolar cells release

A patient excretes a large volume of very dilute urine on a continuing basis. This is may be due to

The area of the urinary bladder bounded by the openings of the two ureters and the urethra is called the

Each of the following organ systems excretes wastes to some degree except the ________ system.

The nasal cavity, pharynx, and larynx constitute the ________ portion of the airway.

Renal blood flow is about

Urine is temporarily stored in the

When bicarbonate ions are produced in an erythrocyte, they diffuse into the blood plasma. To compensate for this, ___ diffuses from the plasma into the RBC.

The glottis is

Triangular or conical structures located in the renal medulla are called