The digestive system is a very long muscular tube that begins at the mouth and ends at the:
A) anus. B) large intestines.
C) stomach. D) pyloric sphincter.
ANS: A
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Which structure sends nerve impulses to the sympathetic division of the nervous system during fear or anger to increase the heart rate and respiratory rate as part of the "fight-or-flight" response to danger?
A) hypothalamus B) thalmus C) hippocampus D) fornix
An agent that adds oils to skin is a(n) ________.
Fill in the blank(s) with the appropriate word(s).
Earliest man believed that disease and infirmity were caused by the influence of magic or malevolent spirits that inhabited streams, trees, animals, the earth, and the air
Indicate whether the statement is true or false.
When liquid oils are hydrogenated,
A) LDLs are produced. B) trans fatty acids are produced. C) HDLs are produced. D) cholesterol is produced.