Question

Trace the blood flow from the heart to the lungs and back.

Trace the blood flow from the heart to the lungs and out of the heart again. Start with the deoxygenated blood returns to the heart and end where the oxygenated blood leaves the heart. include the valves the blood passes through.

Answer 1

• Blood circulation consists of mainly hearts,lungs, arteries, veins, capillaries and valves
• The deoxygenated blood coming from different body parts via superior and inferior vena cava emptied into the right atrium.
• This blood from the right atrium emptied into the right ventricle through right atrioventricular valve called tricuspid valve.
• This blood is then pumped through the pulmonary semilunar valve into the pulmonary artery to the lungs.
• After reoxygenation and removal of carbon dioxide blood is carried to the left atrium through two pairs of pulmonary veins.
• The blood from left atrium then passed into the left ventricle via left atrioventricular valve called mitral valve or bicuspid valve.
• This oxygenated blood from left ventricle then carried into the aorta for systemic circulation through aortic semilunar valve.
• This blood supplies to different organs of the body through aorta.