Blood Vessels

Question 1

name the 3 types of blood vessel

Answer 1

vein
artery
capillary

Question 2

name what the artery does and its properties:

Answer 2

carries blood away from the heart 
thick muscular layer 
this elastic to smooth surges from the heart 
narrow lumen 
high pressure 
no valves

Question 3

name what the capillary does and its properties:

Answer 3

carries blood to and from cells 
narrow and very thin (one cell thick)
small lumen 
no muscle allows gas exchange 
low pressure 
very delicate

Question 4

what happens if a capillary is burst

Answer 4

the capillary will reform and heal. blood will also show under the skin. this is known as a bruise.

Question 5

name what the vein does and its properties:

Answer 5

carries blood towards the heart 
thick muscular layer 
thin elastic layer 
large lumen compared to the artery
has valves to make sure bloody doesn't go the wrong way