Systemic Circulation is the circulation of blood through the Heart and to the rest of the body.

It provides the functional supply of blood required for the cells and tissue of the body.  It is a primary aspect of both the Respiratory System and Cardiovascular System.

This system is responsible for oxygen and nutrients that are sent throughout the body. Additionally, it picks up carbon dioxide and other waste products.

The circulation of blood flow is functionally divided into two different systems: 1.) Pulmonary Circulation and 2.) Systemic circulation. The pump for the pulmonary circulation is the Right Ventricle. The blood flows through the Lungs. The pump for the systemic circulation is the Left Ventricle which provides the blood supply for the tissue cells of the body.

Blood Flow of Systemic Circulation:

1.)  Oxygenated blood from Left Ventricle to arteries and then to the capillaries.

2.)  Deoxygenated blood starts in the capillaries, to the veins and into the Right Atrium.

Blood Supply through Arteries:

1.)  Coronary Arteries are vessels that branch from the ascending aorta.

2.)  The Bachiocephalic, Left Common Carotid, and Left Subclavian arteries branch from the Aortic Arch.

3.)  Blood supply to the brain is provided by the Internal Carotid and Vertebral arteries.

4.)  The Subclavian Arteries provide blood supply for the upper extemities.

5.)  The Celiac, Superior Mesenteric, Suprarenal, Renal, Gonadal, and Inferior Mesenteric Arteries branch from the Abdominal Aorta to supply the abdominal cavity and viscera.

6.)  Lumbar Arteries supply blood flow to the muscles of the spine and spinal cord.

7.)  External Iliac Artery and branches provide blood supply for lower extremity.

8.)  Internal Iliac Artery provides blood flow to the pelvic Viscera.

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