This is a figure of a skin wound. What does "A" represent?
A. Blood vessel
B. Dermis
C. Epidermis
D. Blood clot
E. Subcutaneous adipose tissue
Answer: D
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The narrow space that separates the motor neuron and the skeletal muscle fiber in a neuromuscular junction is called the
A. motor end plate. B. synaptic vesicle. C. synaptic cleft. D. synaptic knob.
Each of the following factors promotes the function of the capillaries except
a. a blood pressure forcing fluid out of these vessels. b. a small total surface area. c. an osmotic pressure drawing fluid into these vessels. d. pores in the endothelial wall. e. thin walls.
How do the kidneys regulate blood volume and blood?
a) by regulating water intake b) by regulating water output c) by regulating both water intake and output
To examine the metabolic state of an individual, results may be expressed as __________.
a. calories per day b. calories per hour c. calories per unit of body weight per day d. calories per hour, calories per day, and calories per unit of body weight per day