You didn't show the answer choices. You could have just taken a photo or something.
Explanation:
the ans each ball gain energy.
The answer is <span>. propranolol; norepinephrine
Propranolol is a beta blocker that will influence the receiver's blood criculation by affecting the operations in veins and arteries.
Norepinephrine, on the other hand, is functioned in order to regulate the hormonal and neurotransmitter function in our body.</span>
I can help you read. I just need to know what about
