cardiovascular system

Question 1

what is the cardiovascular three main functions

Answer 1

temperature control - skin cools so the body doesn’t over heat
clotting o wounds - prevents infections
transport of substances - oxygen carbon dioxide

Question 2

what is the cardiovascular three main parts

Answer 2

heart blood and blood vessels

Question 3

describe the left side of the heart

Answer 3

oxygenated blood from the lungs to the left atrium
left side is thicker as it pumps blood to the whole body

Question 4

describe the right side of the heart

Answer 4

deoxygenated blood enters the right atrium through vena cava
smaller as it pumps it just to the lungs to become oxygenated

Question 5

describe an artery

Answer 5

thick muscular carries blood at high pressure away from the heart

Question 6

describe a vein

Answer 6

thinner walls and less muscle so carry blood at a low pressure carry blood into the heart

Question 7

describe capillaries

Answer 7

exchange oxygen and carbon dioxide very thin walls so substances can easily pass through

Question 8

what are red blood cells

Answer 8

carry oxygen so it can be used to release energy needed my muscles in excercise

Question 9

what are white blood cells

Answer 9

fight against disease say healthy and form well

Question 10

plasma

Answer 10

carries everything in the blood stream includes blood cells digested food eg glucose and waste eg carbon dioxide