Pulmonary artery - the Wood venal that carries oxygen-poor blood from the right

Question

Pulmonary artery - the Wood venal that carries oxygen-poor blood from the right ventricle of the heart to the lungs. pulmonary valve - the flaps between the right ventricle and the pulmonary artery. When the ventricle contracts, the valve opens, causing blood to rush into the pulmonary artery. When the relaxes, the valves close, presenting the back-flow of blood from the pulmonary artery to the right atrium. pulmonary vein - the blood vessel that carries oxygen-rich blood from the lungs to left atrium of the heart. right atrium the right upper chamber of the heart. It receives oxygen-poor blood from the body through the inferior vena cava and the superior vena cava. right ventricle - the right lower chamber of the heart. It pumps the blood into the pulmonary artery. septum - the muscular wall that separates the left and right sides of the heart. superior vena cava - a large vein that carries oxygen-poor blood to the right atrium from the upper parts of the body. Tricuspid valve - the valve between the right atrium and right ventricle. It is composed of three leaf-like parts and prevents the back-flow of blood from the ventricle to the atrium. List the functions of the following cell types. Erythrocytes: ________ T lymphocytes: ______ Platelets: _______ Eosinophils: ______ What is hemoglobin? Where is it found and what is its function? _________ What element is associated with erythrocytes (Red blood corpuscles)? _______ Name the condition that occurs when the element at #6 is low. ________ In which direction does an artery transport blood? ______ b) In which direction does a vein transport blood? ________ Veins contain valves, structure which are not found in arteries. What is function of a valve? _________ What color vessel is associated with oxygen-rich blood? _______ b) what color vessel is associated with oxygen-deficient blood? _______ What is the "pacemaker" of the heart called? __________

Explanation / Answer

3.Hemoglobin is a protein found in Erythrocytes.Its function is to carry oxgen from the lungs to the body and in return carries carbon dioxide from the tissues back to the lungs.

4. Iron (Fe). 70 % of the body's iron is found in Red blood cells.

5.Anemia.

6.All arteries carry blood away from heart except pulmonary artery which carries blood from the lungs to the heart.

7. Veins carry deoxygenated blood from the body tissues towards the heart.

8.Valves in veins prevent the backflow of blood.

11Arteries carry oxygenated blood and hence appear red in color.

b.Veins carry deoxygenated blood so appear blue.

13. sinoatrial (SA) node

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