Nutrients necessary for health that human cells cannot synthesize are called
______.
Fill in the blank(s) with correct word
essential
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Excess calcium in the diet causes
A. cracked fingernails. B. brittle teeth. C. stunted growth. D. deposition of calcium in soft tissue.
A person having valve replacement surgery is reviewing the cardiac cycle. Which valve has to function at maximum level to ensure that oxygenated blood moves through the general circulation?
A) Mitral B) Pulmonary C) Aortic D) Tricuspid
________ muscle cells are multinucleated.
Fill in the blank(s) with the appropriate word(s).
What is the importance of the pampiniform plexus in the scrotum?
A) to innervate the testis B) to support the testis C) to ease the raising and lowering of the testis without pinching of the blood vessels D) to assist in cooling the blood to permit spermatogenesis to occur at a temperature cooler than in the abdominal cavity E) None of the answers are correct.