Multiple Choice
Biological rhythm is defined as:
A) a periodic,more or less regular,fluctuation in a biological system.
B) an awareness of oneself and the environment.
C) a biological fluctuation that occurs less frequently than once a day.
D) a biological fluctuation that is about 24 hours from peak to peak.
Correct Answer:

Verified
Correct Answer:
Verified
Q30: When sleep researchers have studied humans and
Q55: Research suggests that we typically forget our
Q95: Consolidation is a process by which the
Q103: What is the purpose of dreaming, according
Q130: Which of the following drugs is a
Q173: The activation-synthesis theory of dreaming states that
Q227: Sleep appears to be necessary for _,a
Q230: The activation-synthesis theory proposes that:<br>A)cortex tries to
Q233: Melatonin is:<br>A)a hormone that fluctuates on about
Q235: While spending the night at a sleep