What is the function of the arteries?
Carries blood away from the heart.
What is the function of the veins?
Carry blood to the heart.
What is the function that the capillaries preform in the lungs?
Exchange oxygenated & deoxygenated blood.
How many layers make up the blood vessels?
What does the arteries carry
Oxygenated blood.
What does veins carry?
Deoxygenated blood.
Capillaries are known to ____ arteries and veins.
Link, connect, bridge.
What is the hollow tube of the blood vessels called?
The Lumen.
What is the largest artery?
The Aorta.
True or False
The veins have thicker walls than the arteries.
False.
Compared to arteries and veins, how big are the capillaries?
They are the smallest blood vessels.
What do veins have that Arteries don't?
Valves
Which artery is the one exception to the arteries rule?
The Pulmonary Artery.
What is the purpose of the valves in the veins?
To stop the blood from flowing backwards.
Name the 3 things that the capillaries exchange.
gasses in the blood, nutrients, and waste products.
What is the outer most wall of the blood vessels called?
Tunica externa.
What are the two types of artery tissue?
Muscular & Elastic.
Why would the veins constrict?
In response to arterial hemorrhage.
What are the air sacs in the lung called that house the capillaries?
Alveoli.
What type of epithelium makes up the blood vessels?
Simple Squamous.