Digestive secretions with a pH of 2 are characteristic of the _____
A) small intestine
B) stomach
C) pancreas
D) liver
E) mouth
Answer: B
Biology & Microbiology
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Which of the following white blood cells kills infected or cancerous body cells?
a. eosinophils b. B lymphocytes c. natural killer (NK) cells d. mast cells
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Which of the following is NOT a component of neural signaling mechanisms?
a. reception b. action c. transmission d. response e. integration
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The blastocyst is the type of blastula that is produced
by all a. fish. b. mammals. c. birds. d. reptiles. e. amphibians.
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The ________ reflex can be considered the body's first line of defense against hemorrhage-induced low blood pressure.
What will be an ideal response?
Biology & Microbiology