Which of the following is not a function of CSF?
A. To allow the brain to attain considerable size without being impaired by its own weight
B. To rinse metabolic wastes from the nervous tissue
C. To provide oxygen and nutrients to the nervous tissue
D. To regulate the chemical environment of the nervous tissue
E. To protect the brain from striking the cranium when the head is jolted
Answer: C
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Indicate whether the statement is true or false
The shorter a muscle fiber is before the onset of a contraction, the greater the force that can be developed upon the subsequent contraction because the thin filaments are already partially slid inward
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Reflexes, controlled by the spinal cord, act by
A) sensory output over cranial nerves to effectors. B) motor input to reflex centers in the spinal cord. C) sensory input to reflex centers in the brain. D) motor output over spinal nerves to effectors. E) sensory input over cranial nerves to the spinal cord.