The velocity of blood flow is ________.
A) in direct proportion to the total cross-sectional area of the blood vessels
B) slower in the arteries than in capillaries because arteries possess a relatively large diameter
C) slower in the veins than in the capillaries because veins have a large diameter
D) slowest in the capillaries because the total cross-sectional area is the greatest
D) slowest in the capillaries because the total cross-sectional area is the greatest
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The spring-like property that returns muscle to its original length after a contraction ends is
A. extensibility. B. elasticity. C. contractility. D. treppe effect. E. conductivity.
Parasympathetic functions include ________.
A) a stimulation of heart rate and force of contraction B) allowing the body to cope with an external threat C) lens accommodation for close vision D) mobilizing storage energy sources
This structure, present in the cow eye but not in the human eye, is a special iridescent reflecting surface that helps animals to see in low light conditions
A) ciliary body B) tapetum lucidum C) pigmented sclera D) vascular layer
What structure in the female is composed of erectile tissue?
A) Clitoris B) Labia minora C) Mons pubis D) Perineum