I am not entirely sure, but i think it would be the respiratory system because plants produce oxygen after taking in carbon dioxide, and that is similar to the human respiratory system. I am not completely sure though. hope this helps!
Animals take in oxygen and release it as Carbon dioxide
Answer:
Explanation:
Skeletal muscles are arranged in regular parallel bundles, cardiac muscle connect at branching irregular angles called intercalated disc,smooth muscle substains longer or even near permanent contractions
Cardiac muscle is located in the wall of the heart,appear striated and are under involuntary control.
Skeletal muscles fibres occurs in muscles which are attached to the skeleton...
I believe you've achieved some things from the explanation above... thanks
