Topik 3.2 X

Question 1

Type of blood vessel

Answer 1

Arteries, arterioles, capillaries, venules,veins

Question 2

What’s the function of arteries

Answer 2

Carry blood away from heart

Question 3

What’s the function of arterioles

Answer 3

Branch from arteries lead to capillaries

Question 4

What’s the function of capillaries

Answer 4

Site of exchage

Question 5

What’s the function of venules

Answer 5

Connect capillaries to veins

Question 6

What’s the function of veins

Answer 6

Carry blood away to heart

Question 7

3 layers blood vessels

Answer 7

Tunica interna
Tunica media
Tunica externa

Question 8

What’s the structure of tunica interna

Answer 8

Inner lining of epithelial cells

Active roll in vessel

Question 9

What’s the structure of tunica media

Answer 9

Middle layer with smooth/elastic tissue

Question 10

What’s the structure of tunica externa

Answer 10

An outer layer

Elastic/collagen fibers/nerve endings

Help anchor vessel to surrounding tissue

Question 11

Explain about arteries

Answer 11

Have 3 layers of bv
Thick muscular - tunica media
High compliance - walls stretch to pressure without tearing
Vasoconstriction - decrease in lumen diameter

*Vasodilation - increase in lumen diameter

Question 12

Explain about arterioles

Answer 12

Very small bv that branch off from arteries
Carry blood away from heart to tissues/organs
Take blood back to heart