The secretions of the eccrine glands are ________.
A) primarily uric acid
B) mostly water, sodium chloride, and trace amounts of wastes, lactic acid, and vitamin C
C) fatty substances, proteins, antibodies, and trace amounts of minerals and vitamins
D) solely metabolic wastes
E) basic
Answer: B) mostly water, sodium chloride, and trace amounts of wastes, lactic acid, and vitamin C
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Which labeled structure shown in the diagram is a remnant of fetal circulation that is not directly involved in adult circulation?
a) A b) B c) H d) D e) E
Leptin causes certain first-order neurons to release more of the chemical called _________, which, in turn, causes certain second-order neurons to release less __________; the result is a suppression of one's appetite
Fill in the blank(s) with correct word
Which of the following hormones causes contractions of the uterus during childbirth?
What will be an ideal response?
Whole muscles can respond in a graded fashion to stimuli by varying
A. the force of contraction of individual muscle fibers. B. the frequency of stimulus. C. thresholds. D. the number of motor units recruited. E. the amplitude of the action potential.