Tiny finger-like projections of the plasma membrane that increase its surface area are called __________.
a. cilia
b. flagella
c. centrioles
d. microvilli
e. spindle fibers
Answer: d. microvilli
Anatomy & Physiology
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Men and women begin to lose bone at the same rate by about age 70.
Answer the following statement true (T) or false (F)
Anatomy & Physiology
Each of the following factors affects the efficiency of pulmonary gas exchange EXCEPT:
A) diameter of an alveolus. B) surface area of the respiratory membrane. C) thickness of the respiratory membrane. D) partial pressure of carbon dioxide (PCO2 ) in the blood of the pulmonary capillaries.
Anatomy & Physiology
Provide one beneficial effect of exposure to ultraviolet (UV) radiation
What will be an ideal response?
Anatomy & Physiology
The cardiac control center of the ________ coordinates the autonomic innervation of the heart.
A. medulla oblongata B. pons C. midbrain D. cerebrum
Anatomy & Physiology