A decrease in blood oxygen increases the release of ________ from kidneys and liver, and it stimulates the production of ________ by red bone marrow.
A. erythropoietin; leukocytes
B. folic acid; erythrocytes
C. erythropoietin; erythrocytes
D. folic acid; leukocytes
Answer: C
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The ________ consists of motor neurons exiting the CNS and leading to effectors
A) filum terminale B) dorsal root C) dorsal root ganglia D) ventral root
____________________ refers to the series of events linking muscle excitation to muscle contraction
Fill in the blank(s) with correct word
Which of the following was an adaptation that evolved in connection with human upright walking?
A. Hair B. Stereoscopic vision C. Spinal and pelvic anatomy D. Fully opposable thumbs E. Color vision
The inferior termination of the sacral canal is an opening called the
A. sacral promontory. B. anterior sacral foramen. C. posterior sacral foramen. D. sacral hiatus.