the heart

Question 1

describe the process of the circulatory system

Answer 1

vena cava brings deoxygenated blood from the body to the heart.
pulmonary artery carries deoxygenated blood from the heart to the lungs.
pulmonary vein brings oxygenated blood from the lungs to the heart.
aorta carries oxygenated blood from the heart to the body.
blood enters the right and left atrium either side of the body.
atria contracts forcing blood into the right and left ventricle.
ventricles contract forcing blood out of the heart.
valves prevent back flow of blood.