Which characteristic applies to REM sleep?
A) somnambulism
B) decreased pulse and blood pressure
C) brain activity resembling the beta waves of wakefulness
D) hypnic jerks
C) brain activity resembling the beta waves of wakefulness
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A _____ is a basic sound used in human speech
a. cataract b. dopamine c. phoneme d. surfactant
A process called ________ is comparing and evaluating opinions, abilities, and even physical changes
Fill in the blank with the appropriate word.
The structure that serves as our biological clock and controls our circadian rhythms is _______________
a. the heart with its pacemaker cells b. the pituitary gland c. the pineal gland d. the suprachiasmatic nucleus
Biology includes everything that appears in the body and the __________
a. nonshared environment b. social circle c. shared environment d. brain