Capillaries are also referred to as
a) exchange vessels.
b) vasoconstrictors.
c) vasodilators.
d) pressure reservoirs.
e) distributing vessels.
a
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Which of the following would be recruited later in muscle stimulation when contractile strength increases?
A) motor units with the longest muscle fibers B) many small motor units with the ability to stimulate other motor units C) large motor units with small, highly excitable neurons D) motor units with larger, less excitable neurons
Summarize the process of phagocytosis
What will be an ideal response?
Which is a function of the cerebrospinal fluid?
A) Regulates hormone levels around the brain B) Circulates blood and oxygen around brain and spinal cord C) Acts as "lymph node" for the brain and spinal cord D) Cushions the brain from physical trauma
Blood return to the heart through the veins is aided by
A. precapillary sphincters. B. skeletal muscle and respiratory pumps. C. a blood pressure difference from arteries to the capillaries. D. All apply.