5. Consciousness and Sleep
Sleep
Multiple Choice
Multiple ChoiceWhich of the following statements about the circadian rhythm is true?
A
It consists of the changes in a person's heartbeat throughout the stages of sleep.
B
It is a cycle controlled by the hippocampus.
C
It is a cycle that takes about a day to complete.
D
It is when most dreams occur.
903
views
Related Videos
Related Practice
03:25
![Race, Genes and IQ Differences | Bret Weinstein [Mini Clip]](https://img.youtube.com/vi/IztL_m3pd70/mqdefault.jpg)
