The human heart works as a pump that circulates blood throughout the body. Roughly the size of an adult's clenched fist, it consists of four chambers and conducts the blood through veins and arteries. The septum, or inne... More »

The human heart is about the size of an adult's closed fist, but the size varies according to an individual's age, health and size. The heart weighs 7 to 15 ounces. More »

"Information Resources on Swine in Biomedical Research" notes that pig hearts share the following features with those of human beings: they have four chambers, two for poorly oxygenated blood and two for oxygenated blood... More »

Springfield Technical Community College states that the function of the lymphatic vessels is to carry excess fluids from the body's tissues to the blood vessels and heart. Along the way this fluid, known as lymph, is fil... More »

According to Healthline, the function of the superior vena cava is to carry spent, deoxygenated blood from the rest of the body to the right atrium of the heart. The right atrium then releases the blood into the right ve... More »

The main function of the heart is to pump blood to the lungs to be saturated with oxygen, and then pump it out into the body to supply the cells with oxygen. The heart, along with the blood vessels, make up the cardiovas... More »

The main biological function of the heart is to pump blood throughout the body. The heart is a muscular organ that's divided into four chambers. The flow of blood through these chambers is controlled by valves. More »