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प्रश्न
Write a short note on the human heart.
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उत्तर
The heart is a pump that circulates blood to all parts of the body. It is about the size of a human fist and located to the left in chest cavity. It has four chambers – two upper chambers called auricles or atria and two lower chambers called ventricles. The auricles receive blood from different body parts and ventricles pump the blood out of the heart. The valves between auricle and ventricle on each side allow blood to flow in one direction only. Heart acts as a double pump. The right side of the heart carries deoxygenated blood to the lungs to be oxygenated. The left side of the heart pump oxygenated blood to the body.
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संबंधित प्रश्न
Heart sounds are produced due to ______.
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closure of tricuspid and bicuspid valves
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rushing of blood through valves producing turbulence
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closure of atrioventricular and semilunar valves
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entry of blood into auricles
What is the function of spleen?
Fill in the blanks with suitable words given below:
The liquid part of coagulated blood is known as ______.
In which organ of our body does blood get oxygenated?
True or false:
The four blood groups in human beings are A, B, AB and AO
Name the main artery which carries blood to different parts of the body.
What are seen as greenish blue lines in our hands and legs?
Complete the following sentence with appropriate word:
The chamber of heart which pumps blood into aorta is __________.
Name the systems that carry out the different functions of the body.
The nodal tissue located in the lower left corner of right atrium is ______.
