Systemic circulation refers to the path blood takes on its route around the body as it brings oxygen to the tissues, while pulmonary circulation is the smaller loop blood takes to the lungs. Each loop runs through a diff... More »

Hemoglobin is the protein used in the blood of all vertebrates to transport oxygen from the lungs to the tissues in the body. A major constituent of blood is water, and since oxygen is not very soluble in water, a protei... More »

According to Springfield Technical Community College, the primary role red blood cells play in the body is to transport oxygen from the lungs to the various body tissues. To carry out this task, the cells are filled with... More »

The heart and lungs work together to get oxygen to the tissues. The heart pumps the blood, and the lungs put oxygen into it. This oxygen-rich blood then circulates throughout the body to nourish the cells; oxygen-deplete... More »

The heart draws oxygenated blood from the lungs and distributes it to the rest of the body using a system of arteries and veins. Small coronary arteries and the pulmonary veins provide oxygenated blood into the heart. Th... More »

Blood enters the heart in the right atrium, passes into the right ventricle and is then pumped to the lungs; after leaving the lungs, the blood travels back into the left atrium, into the left ventricle and then flows in... More »

According to the Merck Manual Home Health Handbook, the primary function of erythrocytes, more commonly known as red blood cells, is to transport oxygen from the lungs to the body's many tissues. Red blood cells are also... More »