BIO 216 Blood vessels

What are the functions of blood vessels?

• Unidirectional flow of blood to the heart

• Selectively permits exchange of nutrients within tissues

• Assists the formation of blood clots at sites of injury

• Regulates systemic blood pressure

• Regulates body temperature

What blood vessel carries blood AWAY from the heart?

• Arteries

• Artrioles

• Veins

• Capillaries

What branches from arteries

• Capillaries

• Venules

• Nothing

• Arterioles

What does gas exchange?

• Capillaries

• Venules

• Nothing

• Arterioles

What gives way to veins?

• Capillaries

• Venules

• Nothing

• Arterioles

What carries blood TOWARDS the heart?

Hint : Blood carried is mostly deoxygenated

• Capillaries

• Veins

• Venules

• Arteries

How many layers are there of arteries?

• 3

• 6

• 2

• 5

What is the connective tissue of the arteries?

• Tunica externa

• Tunica Media

• Tunica External

• Tunica Intimia

What is mostly smooth muscle and elastic tissue of the arteries?

• Tunica externa

• Tunica Media

• Tunica External

• Tunica Intimia

What is the epithelial tissue and connective tissue of the arteries?

• Tunica externa

• Tunica Media

• Tunica External

• Tunica Intimia