Answer:
They pump blood/help us breathe oxygen.
Explanation:
The lungs are a very important part of the body, without them we would die.
Answer:
D (depressants)
Explanation:
I looked it up!
<em>"A depressant, or central depressant, is a drug that lowers neurotransmission levels, which is to depress or reduce arousal or stimulation, in various areas of the brain."</em>
Sorry if it's wrong, but I hope I helped!
Good luck!
Its called the Urinary Bladder. And if i'm wrong, i understand :)
B is nota component of rhis
