1.(a) Name the blood vessels that brings oxiginated blood to the human heart.
(b) Which chamber of the heart recieved oxiginated blood.
(c) Explain how is the oxiginated blood from this particular chamber sent to all the body parts.
Answers
Explanation:
The oxygenated blood is brought back to the heart by the pulmonary veins which enter the left atrium. From the left atrium blood flows into the left ventricle. The left ventricle pumps the blood to the aorta which will distribute the oxygenated blood to all parts of the body
(i) Pulmonary veins are the blood vessels which carry oxygenated blood from lungs to the heart. A pair of pulmonary veins carries oxygenated from each lung ( right and left) to the left atrium of the heart.
(ii) A Human heart is composed of four chambers two upper atria and two lower ventricules. The right atrium accepts deoxygenated blood from all parts of the body through the Vena Cava vein. the right atrium then empties its blood into the right ventricle.
the left atrium accepts oxygenated blood from lungs through pulmonary veins.
(iii) The oxygenated blood is brought back to the heart by the pulmonary veins which enter the left atrium. From the left atrium blood flows into the left ventricle. the left ventricle pumps the blood to the aorta which will distribute the oxygenated blood to all parts of the body.
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