15 Diagram Of Internal Heart. As a central part of the circulatory system, the heart is primarily responsible for pumping blood and distributing oxygen and nutrients throughout the body. The most common heart attack symptoms or warning signs are chest pain, breathlessness, nausea, sweating etc.
The pumped blood carries oxygen and nutrients to the body, while carrying metabolic waste such as carbon dioxide to the lungs. Together, the heart, blood, and blood vessels — arteries, capillaries, and veins — make up the circulatory system. The heart is enclosed in a pericardial sac that is lined with the parietal layers of a serous membrane.
Internal structure of human heart.
15 Diagram Of Internal Heart. Along with lymphatic vessels, the blood, blood vessels, and lymph. Find an image that displays the entire heart, and click on it to enlarge it. The pumped blood carries oxygen and nutrients to the body, while carrying metabolic waste such as carbon dioxide to the lungs. Heart, organ that serves as a pump to circulate the blood.