unit 3; structure of the heart

Question 1

describe the atrium

Answer 1

thin-walled, elastic and stretches as it collects blood

Question 2

describe the ventricle

Answer 2

thick muscular walls to contract strongly

Question 3

what are pulmonary vessels

Answer 3

vessels that connect the heart to the lungs

Question 4

describe the aorta

Answer 4

connected to the left ventricle, carries oxygenated blood to the body- except the lungs

Question 5

describe the vena cava

Answer 5

connected to right atrium, brings deoxygenated blood back to the body- except the lungs

Question 6

describe the pulmonary artery

Answer 6

connected to right ventricle, carries deoxgenated blood to the lungs

Question 7

describe the pulmonary vein

Answer 7

connected to the left atrium, brings oxygenated blood back from lungs

Question 8

describe the coronary arteries

Answer 8

supplies heart with oxygen