true. I work at a hospital, i know things lol
<span>the answer is Abiotic </span>
Answer:
as the blood pressure increases, the rate of blood flow decreases
Biological structures like DNA, proteins and cells all depend on molecules. ... Neurotransmitters like epinephrine are pretty simple molecules, but without them our nervous system couldn't work. Oxygen, containing just two oxygen atoms, is a very simple molecule, and it is certainly essential to living things.
