Which of the following factors does not affect the amount of friction generated between two dry surfaces?
A. the coefficient of friction between the two surfaces
B. the surface area in contact
C. the reaction force
D. the normal force
B. the surface area in contact
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Thalidomide was once used to treat intense nausea and morning sickness in pregnant women. Unfortunately, if administered at certain points during gestation it resulted in limb malformation. This drug is an example of a(n) ________
A) endocrine disruptor B) carcinogen C) teratogen D) neurotoxin
Under normal circumstances, aged and damaged erythrocytes are broken down by the
A) kidneys. B) thymus gland. C) spleen. D) digestive tract. E) yellow bone marrow.
Which of the following begins at ovulation and persists as long as the corpus luteum remains intact?
A) menarche B) secretory phase C) functional phase D) menstruation E) proliferative phase
Lymph traveling from the left arm would enter the venous circulation via the _______
A) thoracic duct B) right lymphatic duct C) cisterna chili D) axillary nodes