Arteries transport oxygenated blood from the left ventricle of the heart toward the head, neck, and arms.
To move through the arterial system in the direction of blood flow begin with #1 and proceed to #9.
The arrow indicates where the vessels pass out of the thoracic cavity and into the arm.
Veins transport deoxygenated blood toward the heart from the head, neck, and arms.
To move through the venous system in the direction of blood flow begin with #7 and proceed to #1.
Click to view the vessels as they enter the lower arm.
The brachial artery (1) passes through the supracondylar foramen of the humerus into the lower arm where it becomes the radial artery (2). Also note the brachial vein (1) which receives blood coming from the lower arm. This vessel has not been well injected and appears brown.
Back to heart
Return to Internal Organs
Return to tutorial