A person working in the hot sun loses the greatest amount of water from the ________.
A. GI tract
B. skin
C. lungs
D. urine
E. mouth
Answer: B
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One division of the autonomic nervous system stimulates your salivary glands to secrete a watery solution of enzymes, and the other division stimulates them to secrete mucus. Together, these secretions constitute the saliva. This is an example of which of the following?
A. An antagonistic effect B. A biofeedback effect C. A sympathetic effect D. A cooperative effect E. A dual effect
Which of the following is not a molecule at the "metabolic crossroads" ?
a) Glucose 6-phosphate b) Pyruvic acid c) Acetyl coenzyme a d) Glycogen e) All of these are molecules at the "metabolic crossroads"
This figure shows the thoracic cage. Which number indicates the xiphoid process?
A. 1 B. 4 C. 5 D. 7 E. The xiphoid process is not labeled on this figure.
A lack of mitochondria within skeletal muscle would impair which ATP-yielding chemical process?
A. anaerobic respiration B. aerobic respiration C. both anaerobic and aerobic respiration