What is the function of thymosin?
A. Regulates metabolism
B. Regulates sleep cycles
C. Development and maturation of the adrenal glands
D. Development and maturation of the immune system
Answer: D
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The nucleus of an atom consists of
A) electrons. B) protons. C) neutrons. D) protons + neutrons. E) protons + electrons.
Cytoplasm consists of ______, structures within cells that perform specialized tasks, suspended in fluid called ______
Endosomes....cytoskeleton Organelles...cytosol Cytoskeleton....matrix Cristiae...cisternae
Muscles that move the toes are often divided into what two groups?
a. Dorsal and plantar b. Long extrinsic and short intrinsic c. Short extrinsic and long intrinsic d. Superficial posterior and deep posterior
When the solute concentration of the blood increases:
A) water is excreted from the body by the kidneys. B) antidiuretic hormone is released into the bloodstream. C) the release of angiotensin II causes the blood pressure to fall. D) the distal convoluted tubule becomes less permeable to water.