The structure of the human heart is mainly made of four chambers. The four chambers are two atria and two ventricles all of which are responsible for receiving blood from the body and pumping it back to the body. .
Layers - epicardium and pericardium
The heart lies within a compartment or enclosed area of the chest called the mediastinum.
it is surrounded by the muscle tissue
Pericardium
The immediate protector of the heart is the pericardium, which is the sac that surrounds the heart. The heart is also protected by muscle, bone, and skin.
Pericardium Pericardium
the heart structure is the way that the heart is built and shaped but the parts of the heart is whats in the the heart and what the heart is made out of.
The heart cell structure is just like most body cells. It is different in the way it works. It shows autorhythmisty as they beat on their own without nervous system stimulation.
Typically referred to as a blood vessel. A tube like structure that carries blood to the heart.
Cartilage is the structure that attaches the ribs to the sternum. Together with the ribs, the sternum protects major organs like the heart.
Heart Disease
Because collectively they enclose the heart and lungs in a cage like structure.
The heart is oxygenated by capillaries surrounding it just like every other organ
The heart is enabled to pump blood
heart valves
I believe it is the ventricles. It collects and expels blood. It is like an automatic door that closes and shuts itself.