Anthropologist Helen Fisher and other scientists propose that the feeling that the excitement and passion is gone from a relationship is due to

A) developmental incompatibility.
B) a drop in adrenaline levels.
C) a decrease in chemicals similar to amphetamines.
D) familiarity and daily stresses.


Answer: C

Health & Biomechanics

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Bronchogenic carcinoma is commonly referred to as ______________

Fill in the blank(s) with the appropriate word(s).

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________ is the process by which a cell divides and makes an exact copy of itself

Fill in the blank(s) with correct word

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Excessive consumption of __________ has been one factor linked to hypertension.

A. carbohydrates B. sodium C. protein D. vitamin supplements E. phytochemicals

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Which receptor on the helper T-cell recognizes the specific antigen from an antigen-presenting cell?

CD4 TCR IL-2 Receptors IL-1 Receptors

Health & Biomechanics