Birds derive seminal fluid from the
a. seminiferous tubules.
b. vasa efferentia.
c. vas deferens.
d. seminiferous tubules and vasa efferentia.
e. seminiferous tubules and vas deferens.
D
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Leukocytes are the _______ of the formed elements, and leukocytes have ______________
A. largest, no nucleus B. largest, prominent nuclei C. smallest, no nucleus D. smallest, prominent nuclei
Norepinephrine binding to alpha receptors on vascular smooth muscle causes ________ and epinephrine binding to alpha receptors on vascular smooth muscle causes ________.
Fill in the blank(s) with the appropriate word(s).
Surgery can result in iatrogenic disease
Indicate whether the statement is true or false
One effect of aging on the skeletal system is
A. decreased collagen fibers. B. Decreased bone matrix and decreased collagen fibers are effects of aging. C. decreased bone matrix. D. increased bone density. E. increased elastic fibers.