Answer:
epinephrine
Explanation:
Epinephrine is also called as adrenaline. It is both a neurotransmitter and a hormone. The adrenal glands produce the hormone epinephrine that can also be used as a drug for various important functions.
If Samir were injected with epinephrine, he would experience rapid rush of adrenaline in his body and quick blood and oxygen flow throughout his body which will cause a feeling of arousal.
the importance of water is that it will make you survive and it will make you feel fresh
Types of tropism are determined according to the affecting factor, as the following:
Phototropism ⇒ light
Geotropism ⇒ gravity
Hydrotropism ⇒ water
found this hope it helps because I didn't really understand the question
it was more of a statement Haha