Where does gas exchange occur in the lungs?

A. goblet cells
B. alveoli
C. larynx
D. respiratory bronchioles


Answer: B. alveoli

Anatomy & Physiology

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Circular folds are

A) ridges in the wall of the stomach. B) pleats in the lining of the small intestine. C) fingerlike projections on the surface of the mucosa of the small intestine. D) sacculations in the colon. E) abnormal structures formed by excessive pressure in the small intestine.

Anatomy & Physiology

The secretion of ________  is controlled by a ________ mechanism.

A. oxytocin; positive-feedback B. antidiuretic hormone; positive-feedback C. antidiuretic hormone; negative-feedback D. oxytocin; negative-feedback

Anatomy & Physiology

Which is not one of the hamstring muscles?

A. Rectus femoris B. Biceps femoris C. Semimembranosus D. Semitendinosus

Anatomy & Physiology

Bones grow longitudinally to lengthen.

Answer the following statement true (T) or false (F)

Anatomy & Physiology