During REM Sleep

question 2

Multiple Choice

During REM sleep,

• A) the brain is less active than at any other time.
• B) heart rate and breathing rate are low and steady.
• C) the muscles are tense and active.
• D) dreaming is likely to occur.

---

Definitions:

Energy

The capacity to do work or produce heat; it exists in various forms such as kinetic, potential, thermal, electrical, chemical, nuclear, and mass energy.

Basal Metabolic Rate

The rate of energy expenditure by the body at rest to maintain vital functions.

Brightly Lit

Describes an environment or space that is well-illuminated with light, either natural or artificial.

Cool Temperature

A temperature that is lower than the average room temperature, often perceived as refreshing or chilly.