WONDER #1669: What Are Circadian Rhythms?

Question 1 of 3

Circadian rhythms follow a cycle of approximately how many hours?

1. 4
2. 24
3. 48
4. 17

Question 2 of 3

What term describes the effect that traveling can have on circadian rhythms?

1. jet lag
2. travel blues
3. circadiaruption
4. air sickness

Question 3 of 3

When referring to the body’s “master clock,” what does SCN stand for?

1. southcentral nervous system
2. sleep control node
3. super circadian nerves
4. suprachiasmatic nucleus

Check your answers online at https://www.wonderopolis.org/wonder/what-are-circadian-rhythms.