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Mostly the suprachiasmatic nucleus (SCN) in the brain. The pineal gland is also involved.

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14y ago

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What brain structure is most responsible for monitoring circadian rhythms?

Suprachiasmatic nucleus


Daily animal behavior cycles are called?

circadian rhythms.


Diurnal rhythms are the same as circadian rhythms?

Not exactly. Circadian rhythms are a subset of diurnal rhythms. Diurnal rhythms reoccur daily and can be circadian and non-circadian. Circadian rhythms can be set by the environment (entrainment), but are not dependent on environment stimulus for continuation (free-running) (ie. hormone secretion). Non-circadian rhythms are responsive to the environment, but still operate on a daily cycle (ie. the process of photosynthesis).


Blank rhythms are daily cycles?

Circadian rhythms


Rhythms are daily cycles?

circadian


Is Diurnal rhythms the same as circadian rhythms true or fasle?

True. Diurnal rhythms refer to biological processes that follow a 24-hour cycle, while circadian rhythms specifically refer to the body's internal clock that regulates these processes over a 24-hour period. Therefore, diurnal rhythms are a component of circadian rhythms.


Circadian rhythms are examples of?

daily cycles


What hormone is linked to circadian rhythms?

epinephrine


Is Melatonin involved with circadian rhythms?

yes


What are circadian rhythms associated with jet lag?

Circadian rhythms are a living organisms day/night cycles, daylight interacting with body hormone chemistry.


What are the similarities and differences between biological clock and circadian rhythms?

Biological clocks and circadian rhythms are both mechanisms that regulate physiological processes in organisms based on time. A biological clock refers to the internal timing system that can govern various cycles, including circadian rhythms, which specifically operate on a roughly 24-hour cycle. While both serve to synchronize an organism's functions with environmental cues, biological clocks can encompass a range of time scales (e.g., ultradian or infradian rhythms), while circadian rhythms are strictly tied to the day-night cycle. Ultimately, circadian rhythms are a subset of the broader category of biological clocks.


What hormone is thought to play a role in circadian rhythms?

Melatonin