Potentially damaging stimuli that result in pain are selectively detected by ________.
A) interoceptors
B) photoreceptors
C) nociceptors
D) proprioceptors
C) nociceptors
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Describe the hormone relaxin
A. Relaxin is produced by the parathyroid glands and triggers the release of calcium from the bones. B. Relaxin is produced by the testes and stimulates secretion of the reproductive glands. C. Relaxin is produced by the adrenal cortex and maintains normal metabolism. D. Relaxin is produced by the ovaries and increases the flexibility of connective tissue.
Which of the following contains an unusual double membrane?
A) mitochondrion B) nucleolus C) Golgi apparatus D) peroxisome E) lysosome
Stimulation of a receptor alters its membrane permeability, usually by opening channels that permit an influx of what ions?
a. calcium b. chloride c. potassium d. sodium e. iron
Name the three divisions of the nervous system: ____________________, ____________________, and ____________________.?
Fill in the blank(s) with correct word