Maybe because you had something that a bit of caffeine or sugar in it. You can dim your lights and try to read and then maybe you will fall asleep.
Cells are what keep you going and they are very important for our health and our immune system. the ones that help your immune system are called white blood cells, they fight off germs and sickness and it is a good and bad sign if you have alot of white blood cells
Answer:
Amino Acids, Proteins, Living Cells, Tissue, Organs, Organisms
Explanation:
Amino acids make proteins, which make living cells, living cells make tissue, tissues are a part of organs and organisms exist because of organs. Best of luck!
