The hearts pumping action is regulated by an electrical conduction system that coordinates the contraction of the various chambers of the heart. What is the term that refers to the resistance experienced by the heart as it pumps blood as in arteriolar constriction.
The wall of the heart consists of three layers of tissue.
Anatomy and function of the heart. The muscle pattern is elegant and complex as the muscle cells swirl and spiral around the chambers of the heart. Endocardium lines the inside of the heart and protects the valves and chambers. It is divided by a partition or septum into two halves and the halves are in turn divided into four chambers.
Anatomy and function of the heart nucleus medical media. This amazing muscle produces electrical impulses that cause the heart to contract. The outermost wall layer or epicardium.
This 3d medical animation shows normal anatomy of the human heart and explains the pathway of blood through it. It is the contraction of the myocardium that pumps blood through the heart and into the major arteries. The heart is situated within the chest cavity and surrounded by a fluid filled sac called the pericardium.
They form a figure 8 pattern around the atria and around the bases of the great vessels. Myocardium the muscles of the heart. Basic anatomy of the heart.
Like all muscle the heart needs a source of energy and oxygen to function. Epicardium protective layer mostly made of connective tissue. The hearts outer wall consists of three layers.
The anatomy of the heart. Afterload what is the term that refers to the development of elevated pulmonary artery pressure and right ventricular hypertrophy usually in response to chronic lung disease. Between the outer layer the parietal pericardium and the inner layer the serous pericardium runs pericardial fluid which lubricates the heart during contractions and movements of the lungs and diaphragm.
In the simplest terms the heart is a pump made up of muscle tissue.
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