Heat energy produced from muscle contraction is released by the ______________ system.
A) respiratory
B) endocrine
C) crdiovascular
D) urinary
E) integumentary
E) integumentary
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Which of the lymphatic trunks drain into the cisterna chyli?
A. Subclavian trunks and jugular trunks B. Intestinal trunks C. Intestinal trunks and lumbar trunks D. Lumbar trunks E. Bronchomediastinal trunks and intestinal trunks
The pupil:
a. is a hole that lets light into the eye b. is the colored part of the eye c. produces tears d. helps focus light on the rear of the eye
Marjorie takes an anti-anxiety drug so that she can sleep better and remain calm enough
to study effectively. She begins by taking 25 milligrams every evening, but within a month this dose is no longer helping, so she takes two pills. After another month this dosage is no longer effective. This is happening because A) the number of receptors to which the drug binds on neurons has declined. B) she has developed tolerance, which means that her liver can no longer metabolize the drug, so it remains active for too long. C) the number of receptors to which the drug binds on neurons has increased. D) her immune system is rejecting the drug.
Gene expression profiling
A) detects the mRNAs present in a particular cell type under particular conditions. B) is a size-order chart of chromosomes. C) detects the mutations that a person has inherited. D) is a chart of chromosomes in specific cell types.