Explain nerve impulse​

Amylase is an enzyme found in the human digestive system. why do you think it was important to keep the enzyme temperature about 37 degrees celsius (98.6 degrees f)? describe what might happened the temperature decreased by 10 degrees celsius.

As a small change in a person's dna can cause a genetic disorder

Spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?