Which of the following statements concerning the epidermis is true?
A. The epidermis is nourished by blood vessels located in the dermis.
B. The epidermis is very permeable to water-soluble molecules.
C. The most numerous cells in the epidermis are the melanocytes.
D. The dermis is superficial to the epidermis.
E. The epidermis contains numerous blood vessels.
Answer: A
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Hydrophobic hormones are transported in the blood
a. by binding to hydrophilic transport proteins. b. in the form of hydrophilic salts. c. contained in secretory vesicles. d. by binding to the red blood cells. e. as hydrophilic preprohormones.
Can the race of an individual be discerned from the skeleton?
What will be an ideal response?
The entire process of movement of the sperm and sex gland secretions out of the male reproductive tract is called ____________________; emptying of semen into the urethra is known as ____________________; forceful ejection of sperm from the penis is called ____________________
Fill in the blank(s) with correct word
Increasing axonal diameter increases the length constant for that axon by
a. decreasing longitudinal resistance. b. increasing longitudinal resistance. c. decreasing membrane resistance. d. increasing membrane resistance. e. increasing capacitance.