Beginning the use of one-word phrases is typical for which age group?
a. 3 months
b. 6 months
c. 12 months
d. 15 months
e. 18 months
c
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The fact that exercise provides health benefits in the future is often enough to get people to exercise in the present time
a. True b. False Indicate whether the statement is true or false
Which of the following make up the central nervous system?
A. the brain and the spinal cord B. all neurons in the body C. the spinal cord and the brain stem D. the cranial nerves that enter and leave the underside of the brain
The junction between adjoining neurons is called the ____
a. ?synapse b. ?myelin sheath c. ?dendrite space d. ?cellular gap
Females of most mammalian species (among them dogs, cats, and rats) are MOST interested in sex when they:
A) are ovulating. B) feel a strong urge to reproduce. C) have low testosterone and low estrogen levels. D) have high testosterone and low estrogen levels.