Q6 (Description Of Arteries, Veins, And Capillaries)

Question 1

Arteries travel and carry blood….

Answer 1

Away from the heart

Question 2

Arteries have a thicker ___ because of ________

Answer 2

Túnica media, higher bl and flow

Question 3

Arteries internal and external……

Answer 3

Reflect that they are under high pressure

Question 4

Veins drain….

Answer 4

Blood from capillary bed and return it to the heart

Question 5

Veins have a very large….

Answer 5

Lumen that allows them to hold up to 70% of blood in the body

Question 6

Most veins have a……

Answer 6

Túnica media with few smooth muscles

Question 7

Venules are….

Answer 7

Smaller veins that drain blood from capillary beds

Question 8

Both veins and arteries have…..

Answer 8

3 tunics: tunica interna, túnica media, túnica externa

Question 9

Capillaries are vessels…

Answer 9

Of very small diameter that form branches called capillary beds

Question 10

What occurs in capillaries?

Answer 10

Gases, nutrients, waste, and other substances are quickly exchanged between cells and the blood through the capillary wall

Question 11

Capillaries consist of….

Answer 11

Only an endothelium rolled into a tube and a small amount of basal lamina secrete by endothelial cells