Which structure in the figure produces a pigment that contributes to skin color and absorbs UV radiation?
a) A
b) B
c) C
d) D
e) G
Answer: d
Anatomy & Physiology
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Which of the following body systems is not directed entirely toward maintaining homeostasis?
a. reproductive system. b. endocrine system c. nervous system. d. both b and c e. none of the above answers
Anatomy & Physiology
The deepest of the cerebral lobes, the __________, are also the smallest and least understood lobes.
Fill in the blank(s) with the appropriate word(s).
Anatomy & Physiology
The pacemaker of the heart is normally what structure?
A. sinoatrial node B. atrioventricular node C. mitral valve D. bundle of His E. left ventricle
Anatomy & Physiology
What type of hormone can cross the plasma membrane to bind to a receptor in the cytosol or nucleus?
A.)hydrophobic hormones B.)hydrophilic hormones C.)amine hormones D.)protein hormones
Anatomy & Physiology