Indicate the statements that apply to the arrector pili
What will be an ideal response?
__X__
They consist of smooth muscle cells
__X__
They are associated with hair follicles
__X__
They extend from the dermal root sheath to the papillary layer of the dermis
_____
They extend from the root sheath to the basement membrane of the epidermis
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Which of the following can be denatured?
A) enzymes B) ions C) atoms D) molecules E) isotopes
What is another name for the autonomic nervous system?
A. Visceral sensory division B. Somatic sensory division C. Visceral motor division D. Somatic motor division E. Central nervous system
Synergism occurs when the actions of several hormones are complementary and their combined effect is greater than the sum of their separate effects
a. True b. False Indicate whether the statement is true or false
What is a triad?
A. a protein found along the groove of the F-actin double helix B. a T tubule and two adjacent terminal cisternae C. the combination of myosin heads with active sites on actin molecules D. the movement of myosin head while attached to actin myofilament E. after exercise, the oxygen taken in that exceeds the oxygen required for resting metabolism