Answer:
i think bubbles tbh
Explanation: oxygen, carbon dioxide and hydrogen produces bubbles
Diseases that can affect the circulatory system include:
Atherosclerosis. Atherosclerosis is a hardening of the arteries. ...
Heart attack. ...
Mitral valve prolapse. ...
Mitral valve regurgitation. ...
Mitral stenosis. ...
Angina pectoris. ...
Arrhythmia and dysrhythmia. ...
Cardiac Ischemia.
The Mitochrodria helps break down sugar and turns it into energy
Is there a picture to go with this?