Hormones are highly specific because they are
A. each active in every cell in the body.
B. recognized by specific receptors.
C. produced by the body.
D. faster than nervous impulses.
Answer: B. recognized by specific receptors.
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The aging process causes all of the following effects on the integumentary system EXCEPT ________.
A. increased skin elasticity B. increased skin delicacy C. increased likelihood of multiple skin lesions D. increased likelihood of skin cancer
Steroid hormones diffuse through cell membranes, then bind with receptors, whereas nonsteroid hormones bind receptors on the target cell membrane.
Answer the following statement true (T) or false (F)
The olfactory mucosal lining of the nasal cavity contains the receptors for the sense of smell
Indicate whether the statement is true or false
________ capillaries have pores within each endothelial cell.
Fill in the blank(s) with the appropriate word(s).