The hormone described above is the hormone Melatonin.
Melatonin is a hormone secreted by the pineal gland in the brain, which helps regulate other hormones and maintains the body's circadian rhythm. This rhythm is an internal 24 hour clock that plays a critical role when we fall asleep and when awake. When it is dark the body releases more melatonin.
B.
Deforestation affects ecosystems on land. there are no forests underwater
Answer:
Answer is A signal is sent down an exon within a nerve cell.
Explanation:
The word I think they use is A mass.
Answer:
w and x
Explanation:
they both rise and fall in the same places but they are different heights
