Which structures create unique patterns on the fingertips in primates?
A. Hemangiomas
B. Flexion lines
C. Tension lines
D. Epidermal ridges
E. Friction ridges
E. Friction ridges
Anatomy & Physiology
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HIV weakens the immune system by
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Which of the following rodents will bite if touched while sleeping?
a. gerbil c. mouse b. hamster d. ferret
Anatomy & Physiology
The chief cells of the gastric mucosa secrete
a. bicarbonate ions. b. HCl. c. pepsinogen. d. sucrase. e. trypsin.
Anatomy & Physiology