Answer:
The answer you are looking for is A.
Answer:
How the Muscular and the excretory system work together. The Muscular system helps the Excretory system by moving waste through the body and protect its organs. The Excretory system helps the Muscular system by getting rid of carbon dioxide from the muscles.
Explanation:
Answer:
Archaebacteria have cell wall made of complex composition of peptidoglycan
Your heart circulates your blood throughout your body everytime it beats.