Q. Of which kind of tissue is the heart made? How is this tissue oxygenated and nutrified?
The heart is made of striated cardiac muscle tissue and the heart muscle is called the myocardium and it is nutrified and oxygenated by the coronary arteries. The coronary arteries come from the base of the ramify and aorta around the heart penetrating the myocardium Diseases of the coronary arteries are severe conditions.