Author Question: Melatonin is secreted by A) the hypothalamus during the day. B) the pineal gland (Read 559 times)

sammy

  • Hero Member
  • *****
  • Posts: 818
Melatonin is secreted by
A) the hypothalamus during the day.
B) the pineal gland during the night.
C) the autonomic nervous system during the winter.
D) the posterior pituitary gland during the day.
E) the thyroid gland during cold seasons.



penguins

  • Hero Member
  • *****
  • Posts: 903
For sure it has to be B Mark as solved once you're done!



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

sammy

  • Hero Member
  • *****
  • Posts: 818
Marking this topic solved :D

Thanks so much for the help



 

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

For a complete list of videos, visit our video library