Which of the following is required for the body to function at an optimum level of health??
A) ?Highly acidic level
B) ?Highly alkaline level
C) ?State of homeostasis
D) ?None of the answers are correct.
C
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Select the answer that correctly orders the events that occur when a nerve signal reaches the synaptic knob.
(1) The neurotransmitters bind to receptors on the postsynaptic cell. (2) The postsynaptic cell is stimulated to initiate a nerve signal. (3) Synaptic vesicles release neurotransmitters via exocytosis. (4) Neurotransmitters diffuse across synaptic cleft. A. 1, 2, 3, 4 B. 2, 3, 1, 4 C. 4, 3, 1, 2 D. 3, 4, 1, 2 E. 2, 3, 4, 1
Nitric oxide ________.
A. stimulates the dilation of blood vessels B. is produced from L-asparagine C. is a chemical messenger activating adenylate cyclase D. All of the choices are correct.
German shepherds develop ______________ fistulas more than other breeds of dogs
Fill in the blank(s) with correct word
The movements known as dorsiflexion and plantar flexion involve moving the
A) hand. B) arm. C) foot. D) leg. E) hip.