During Rapid Eye Movement (REM) Sleep

Multiple Choice

During rapid eye movement (REM) sleep

A) the muscles relax, and body temperature, blood pressure, and heart and respiratory rates fall.
B) the muscles are very relaxed and body temperature, blood pressure, and heart and respiratory rates are at their lowest levels.
C) the muscles are paralyzed, and body temperature, blood pressure, and heart and respiratory rates increase.
D) a person falls into light sleep.
E) a person begins to relax and feels drowsy.