Which are characteristic of leukocytes?
a: Smaller than erythrocytes
b: Have a nucleus
c: Have no hemoglobin
d: More numerous than erythrocytes
e: Depending on type, may or may not contain granules
A. a, b, c, d
B. b, c, e
C. b, c, d, e
D. a, b, c, d, e
E. a, b, e
B
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Glucose is used by the cells during a series of chemical reactions called ________
A) Cellular respiration B) Cellular perfusion C) Krebs cycle D) Cellular ventilation
Irregular blood-filled spaces called _________ in the liver, bone marrow, and spleen allow for the exchange of large molecules.
Fill in the blank(s) with the appropriate word(s).
Nitric oxide (NO) interferes with platelet function and blood clotting
Indicate whether the statement is true or false
Birds have a membranous instead of a muscular diaphragm
Indicate whether the statement is true or false