Triggering the release of saliva when thinking of food is part of which nervous system function?
A. Motor output
B. Integration
C. Sensory input
Answer: A
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The exceptional flexibility of the shoulder girdle is due, in part, to the ________
A) strong ligament that holds the head of the humerus to its socket B) deep socket that holds the humerus C) strong joint that holds the shoulder girdle to the axial skeleton D) ability of the scapula to slide easily against the thorax
Why does the antibiotic streptomycin also affect a human's mitochondria?
A. Mitochondria have a double membrane similar to the nucleus. B. Mitochondrial DNA is similar to bacterial DNA. C. Streptomycin targets mitochondrial cristae. D. Mitochondrial enzymes are only found in bacteria.
Compared with skeletal muscle, which of the following is not true of smooth muscle?
A. It has an ability to regenerate through mitosis. B. There are no Z discs. C. There are more T tubules. D. There are no striations. E. There is one nucleus per cell.
In the figure showing an anterior view of the veins, number 4 indicates the
A. common iliac vein. B. renal vein. C. brachiocephalic vein. D. internal jugular vein. E. cephalic vein.