blood vessels

Question 1

what are arteries

Answer 1

they are blood vessels that carry blood away from the heart

Question 2

what kind of blood does arteries carry

Answer 2

mainly transport oxygenated blood

exception of the pulmonary artery that carries deoxygenated blood from heart to the lungs

Question 3

doe arteries have thick walls or thin walls

why

Answer 3

thick walls as thy carry blood from heart at high pressure

Question 4

do arteries carry blood of high pressure or low pressure

Answer 4

high pressure

Question 5

name the biggest artery

Answer 5

the Aorta carries blood from heart to the body

Question 6

when arteries get to the tissues they become even smaller

what are they called now

Answer 6

arterioles

Question 7

wat are veins

Answer 7

blood vessels that carry blood toward the heart

Question 8

what kind of blood does veins carry

Answer 8

mainly transport deoxygenated blood

exception of the pulmonary vein that carries oxygenated blood from the lungs to the heart

Question 9

do veins have thick walls or thin walls

why

Answer 9

thin walls as thy carry blood due to low pressure elf blood as it is coming from the body

Question 10

closer to tissues veins become even smaller

what re they now referred to as

Answer 10

venules

Question 11

wat are capillaries

Answer 11

they are blood vessels which connect arterioles to the venules

Question 12

how big is the wall of capillaries

Answer 12

their wall is a single cell thick

Question 13

why is the wall of capillaries that big

Answer 13

their wall is a single cell thick because

it makes it easy for nutrients and oxygen to diffuse across the wall into the tissue cells

and it makes it easy for wastes and carbon D to diffuse from the tissue cells to the blood capillaries