Blood functions to ________
A) line the heart chambers
B) transport nutrients to the tissues
C) store energy for the heart
D) allow for heart contraction and relaxation
E) provide support to the heart
B
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The internal clock of mammals appears to be located in the
A) choroid plexus. B) suprachiasmatic nucleus. C) pituitary gland. D) brain stem. E) pons.
Waste ________________________________________ gas has potential risks for the kidneys, liver, and fertility
Fill in the blank(s) with correct word
Which plasma protein is accurately described?
A) Albumin—blood clot formation B) Fibrinogen—transport of lipids and fat—soluble vitamins C) Gamma globulin—maintaining blood osmotic pressure D) Beta globulins—transport of lipids and fat—soluble vitamins
Penile erection is related to changes in blood flow. How?
A. Engorgement of the penis with arterial blood compresses the veins in the penis B. Erection is produced when venous blood outflow from the penis is increased C. Increased sympathetic input to the penis leads to an erection D. Increased blood flow to the penis causes the skeletal muscle to undergo prolonged contraction E. Increased parasympathetic input leads to the release of nitric oxide and vasodilation