When an infection is present in the body the lymph nodes may _____.

a. contract
b. swell
c. produce more lymph
d. increase immunity


Ans: b. swell

Anatomy & Physiology

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The weight of the skin in most adults is about:

a. 5 pounds b. 10 pounds c. 20 pounds d. 40 pounds

Anatomy & Physiology

The enzyme ___________________ converts angiotensinogen to angiotensin I.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

Histamine is secreted by cells called ________.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

Identify three sources of stored energy utilized by muscle fibers

A) fatty acids, amino acids, and glycogen B) lactate, pyruvate, and glucose C) fatty acids, amino acids, and lactate D) pyruvate, lactate, and GTP E) ATP, creatine phosphate, and glycogen

Anatomy & Physiology