In emphysema,

the number of alveoli is reduced.
cartilage rings in the trachea break down.
the diaphragm is paralyzed.
the epiglottis becomes less mobile.


the number of alveoli is reduced.

Anatomy & Physiology

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 This figure shows an intestinal villus. What is the invagination indicated by number 2?

A. Endocrine gland B. Gastric gland C. Peyer patch D. Intestinal gland E. Lymphatic nodule

Anatomy & Physiology

Which of the following contains overlapping thick and thin filaments?

A. A band B. H band C. I band D. M line E. Z discs

Anatomy & Physiology

The microcirculation is composed of:

a. arteries, arterioles, and capillaries. b. arterioles, capillaries, and venules. c. arteries, capillaries, and venules. d. arteries, arterioles, and venules. e. none of these answers.

Anatomy & Physiology

Papillary muscles prevent the AV valves from prolapsing (bulging) excessively into the atria when the ventricles contract

Indicate whether the statement is true or false

Anatomy & Physiology