In albinism, ________ is lacking.
A) melanin
B) keratin
C) carotene
D) keratinocytes
E) collagen
A) melanin
Anatomy & Physiology
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The increasingly forceful labor contractions that lead to childbirth are an example of which type of mechanism?
A) receptor activation B) effector shutdown C) negative feedback E) thermoregulation
Anatomy & Physiology
The pollex is located in which region?
A) 18
B) 23
C) 12
D) 14
E) 16
Anatomy & Physiology
In what category of sensory receptors are the receptor cells in taste buds?
A. mechanoreceptors B. chemoreceptors C. nociceptors D. photoreceptors E. proprioceptors
Anatomy & Physiology
Which of the following is NOT a process of respiration?
A. voice production B. internal respiration C. ventilation D. external respiration E. transport of blood gases in the blood
Anatomy & Physiology