They are both highly selective,most of the time what binds to them. Think of it as a lock and key, if the key fits the lock and it turns then it does what it needs.
Answer:
your heart muscle needs its own supply of blood because, like the rest of your body, it needs oxygen and other nutrients to stay healthy. for this reason you heart pumps oxygen-rich blood to its own muscle through your coronary arteries.
Its a suffix cuz of ology
