The connections shared by arteries that allow them to shunt blood from one artery to another are called ________.
Fill in the blank(s) with the appropriate word(s).
anastomoses
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White brain matter
A. is composed of neurons with myelinated axons. B. is found in the cortex of the brain. C. is composed of neurons with no axons or dendrites. D. is the matter making up the basal ganglia.
Steroid hormones act through the second-messenger system
Indicate whether the statement is true or false
The visceral branches of the internal iliac arteries supply blood to the
A. lumbar and gluteal muscles. B. anterior abdominal wall. C. lower leg. D. urinary bladder, rectum, and reproductive organs. E. external genitalia.
Each of the following local factors produces the relaxation of arteriolar smooth muscle except increased
a. acid b. carbon dioxide c. osmolarity d. oxygen e. potassium