Volume of rock = volume of water displaced = 1500
Typical types of neurotransmitters include small molecule neurotransmitter substances (acetylcholine, serotonin, dopamine, histamine, norepinephrine, and epinephrine), amino acids (GABA, glutamate), neuroactive peptides (insulin, glucagon) and soluble gases like nitric oxide and carbon monoxide
Hydrogen is in group 1 because it is very reactive and has one valence electron.
Neurons and muscle cells perform different functions, however they have the same DNA (genetic material) contained within them.
The function of muscle cells is to mechanically contact to allow the body to move in space.
The function of nerve cells is to send and receive signals. in order to trigger an event or elicit a response.
