Receptor specificity can arise from __________.
he presence of accessory cells
the presence of structures that protect the receptor cell
All of the listed responses are correct.
the structure of the receptor cell
all of the listed reponses
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When outdoor temperatures reached a ten-year high, the mountain hiker appeared flushed. Which action made her blood vessels get larger in diameter, allowing her to lose heat to the environment?
A. Vasomotor B. Vasodilation C. Vasoconstriction D. Vasopressor
In which of the following locations would you most likely find transitional epithelial cells?
a) Lining of the esophagus b) Outer layer of skin c) Lining of the urinary bladder d) On the surface of the heart e) Covering skull bones
Explain the difference between substrate and active site
What will be an ideal response?
The trachea, bronchi, bronchioles, and alveoli all make up the
A) upper respiratory tract. B) lower respiratory tract. C) internal respiratory tract. D) alveoli of the respiratory tract. E) respiratory mucosa.