Sleep Science: Circadian Rhythms Quiz

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GeneralBiologybiologyliving-thingscellsevolution
Sleep Science: Circadian Rhythms: a General level Biology quiz. Test your knowledge with 15 questions!
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Questions

Question 1
What is the human body's natural 24-hour internal clock called?
A Circadian rhythm
B Heart rate
C Body temperature
D Blood pressure
Question 2
Which light level typically makes us feel more alert?
A Total silence
B Dim light
C Darkness
D Bright light
Question 3
Which hormone is associated with sleepiness?
A Melatonin
B Adrenaline
C Insulin
D Cortisol
Question 4
What time of day is the circadian rhythm usually most active?
A Daytime
B Midnight
C Early morning
D Late night
Question 5
What is the primary cue that sets the body's clock?
A Temperature
B Sound
C Humidity
D Sunlight

📋 This quiz has 15 questions in total.

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