Im pretty sure its marble
The answer is C
Answer:
takes in carbon dioxide, puts out oxygen
Explanation:
3.1+2.7+4.6+1.9+8.7=21
21:5=4.2
The average is 4.2
<span>Muscles receives signal from the nerves which causes them to contract and relax. If our nerve is damaged then we can't send or receive signals from it so you can lose sensory and motor functions.</span>
