Answer:
The central nervous system is made up of the brain and spinal cord
Explanation:
ion if that's the answer you were looking for but here go.
They have different types of cell walls and cell membranes.
Answer: D. Current atmosphere CO2 levels would be increasing more slowly.
Explanation: A P E X
Answer:
Explanation:
In the first minute the elevator desends 4 meters. The elevator stops at minute two. In minute three the elevator decends another 4 meters. The elevator stops at minute four. In minute five the elevator decends two meters.
The answer is the endogenous opiate.
The human body naturally produces its own opiates like substances and uses them as neurotransmitters. These substances include endorphins, enkephalins, and dynorphin, often collectively known as endogenous opioids. Endogenous opioids modulate our reactions to painful stimuli.