Rem sleep refers to sleep periods in which sleepwalking is likely sleep induced by sleeping pills sleep periods in which a person's eyes move rapidly dreamless sleep sleep with periods of wakefulness

sleep periods in which a person's eyes move rapidly

Explanation:

In REM (Rapid eye movement stage of sleep) a sleeping person has a conscious mind due to which he/she is able to sense his/her dream to be taking place in reality. The brain of a person in this sleep stage is as active as the brain of an awake person.

Due to this conscious dreaming, a person eyes move very fast which is also known as darting of eyes.

Thus, REM sleep refers to sleep periods in which a person's eyes move rapidly

c

explanation:

a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

no u