The exchange vessels in the cardiovascular system are called ________.
A) veins
B) arteries
C) capillaries
D) venules
E) arterioles
capillaries
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Indicate whether the statement is true or false
What structure regulates what enters the colon from the ileum?
A) ileocecal valve B) internal anal sphincter C) external anal sphincter D) pyloric sphincter
Which structures in capillary beds open to allow the capillaries to perfuse with blood?
A. Thoroughfare channels B. Precapillary sphincters C. Fenestrations D. Postcapillary sphincters E. Metarterioles
Homeostasis is maintained by which three mechanisms?
A. Vascular spasm , platelet plug , fibrin clots B. Von Willebrand's factor, fibrin, platelets C. Factor VIll, factor VIl, factor II Xp. D. Fibrin, platelets, hemoglobin