What is the average life span of a red blood cell in the human body?
a. 120 days
b. 45 days
c. 12 days
d. 2 days
e. 12 hours
a
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The largest cistern in the brain is the cistern pontine.
Answer the following statement true (T) or false (F)
The muscular system is responsible for body movements, maintenance of posture, and production of body heat.
Answer the following statement true (T) or false (F)
In the lower respiratory tract, cartilage plates first appear at the
A) primary bronchi. B) secondary bronchi. C) tertiary bronchi. D) bronchioles. E) terminal bronchioles.
The agglutinogens (or antigens) that determine the ABO and Rh blood types are
A. found in the cytosol of the erythrocytes. B. located in the cytosol of the leukocytes. C. part of the reticular connective tissue of the spleen. D. located on the surface of the leukocytes. E. found on the surface of erythrocytes.