Veins draining from the head and arms empty into this.
What is the Superior Vena Cava?
100
This is the largest artery in the body.
What is the aorta?
100
Branches of the Common Carotid Arteries.
What are the Internal Carotid Arteries?
100
These take blood away from the heart.
What are arteries?
100
This layer covers the very inside (lumen) of the vessels.
What is the tunica intima?
200
Veins draining the lower body empty into this.
What is the Inferior Vena Cava?
200
This branches into the right common carotid and the right subclavian arteries.
What is the brachiocephalic trunk?
200
Vertebral Arteries join to form this.
What is the Basilar Artery?
200
These take deoxygenated blood to the heart.
What are veins?
200
This category of vessel tends to be thicker and stretchier to accommodate blood forced into it, and this category of vessel tends to be thinner due to lower pressure.
What is the artery; what is the vein?
300
It receives venous blood from the arm through the axillary vein and from the skin and muscles via the External Jugular Vein.
What is the Subclavian Vein?
300
These arteries nourish the heart.
What are coronary arteries?
300
In a fetus, some of the blood entering the right atrium is shunted directly to the left atrium through this opening.
What is the Foramen Ovale?
300
These are the smallest subdivisions of the arteries.
What are the arterioles?
300
This layer of the blood vessels is bulky and is composed of smooth muscle and elastic fibers.
What is the tunica media?
400
These are deep veins draining the forearm.
What are the Radial and Ulnar Veins?
400
This artery supplies nutrients to the thigh and is what the external iliac artery becomes.
What is the femoral artery?
400
These unite the anterior and posterior blood supplies of the brain.
What are Communicating Arterial Branches?
400
These are the smallest subdivisions of the veins.
What are the venules?
400
These interweaving networks--crossings between the arteries and veins--are responsible for gas exchange.
What are capillary beds?
500
The union of the External Iliac and Internal Iliac Veins form this.
What is the Common Iliac Vein?
500
This artery branches off of the left subclavian artery and serves the brain.
What is the vertebral artery?
500
These veins drain the digestive organs, spleen, and pancreas and deliver this blood to the liver.
What are Hepatic Portal Veins?
500
List the pathway of arteries to capillaries to veins.
What are arteries, arterioles, capillaries, venules, and veins?
500
The outermost layer of blood vessels composed of fibrous connective tissue.