Good coronary circulation nourishes the heart and reduces the risk of a heart attack. Coronary arteries supply blood to the myocardium and other components of the heart. They originate from the left side of the heart at the base of the aorta. The heart muscles needs oxygen-rich blood to be able to carry out its functions.
Answer: 1 : knowledge about the natural world that is based on facts learned through experiments and observation. 2 : an area of study that deals with the natural world (as biology or physics)
Explanation:
Answer:
is a part of glucose molecule,reacts with oxygen molecule, is released as carbon di oxide.
Explanation:
Before cellular respiration a carbon atom is a part of glucose molecule.
During cellular respiration the carbon atom reacts with oxygen molecules
After cellular respiration the carbon atom is released in form of carbon dioxide.
