Primary lymphatic organs include the
A. tonsils and spleen.
B. thymus and lymph nodes.
C. red bone marrow and thymus.
D. red bone marrow and lymph nodes.
C
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There are five basic taste sensations. Select the one mismatched with its causative agent.
A. Salty; metal ions such as potassium or sodium B. Umami; amino acids such as glutamate or aspartate found in chicken soup C. Bitter; acids such as those in toxins or poisons D. Sour; hydrogen ions from acids such as those in lemons E. Sweet; organic compounds such as sugar
Melanocytes transfer melanin granules to
A) nearby keratinocytes. B) mast cells. C) macrophages. D) the subcutaneous layer.
Urine moves from the kidneys to the urinary bladder through the ureters passively by the force of gravity
Indicate whether the statement is true or false
Which are the least numerous of the leukocytes?
A. Neutrophils B. Lymphocytes C. Eosinophils D. Basophils E. Monocytes