The approximate number of platelets in a cubic millimeter of blood is:

a. 30,000
b. 300,000
c. 3,000,000
d. 30,000,000


b. 300,000

Anatomy & Physiology

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The abdominal aorta divides at L5 to form the two ________ arteries.

A. superior mesenteric B. inferior mesenteric C. common iliac D. femoral E. renal

Anatomy & Physiology

The hearts nodal cells have a more negative resting potential than neurons do, because nodal cells lack leak channels for sodium and potassium ions.

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

Anatomy & Physiology

All ribs articulate with the sternum

Indicate whether the statement is true or false

Anatomy & Physiology

The autonomic system that gets the body ready for "fight or flight" is the

A. somatic motor nervous system. B. sympathetic nervous system. C. parasympathetic nervous system.

Anatomy & Physiology