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प्रश्न
Complete the following sentence with appropriate word:
The heart is made up of special muscles, the _______ muscles.
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उत्तर
The heart is made up of special muscles, the Cardiac muscles.
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संबंधित प्रश्न
The human body has an organ A which acts as a double pump. The oxygenated blood coming from the lungs through blood vessel B enters the upper left chamber C of the double pump. When chamber C contracts, then blood goes into the lower left chamber D. The contraction of chamber D forces the blood to go into a blood vessel E which supplies oxygenated blood to all the organs of the body (except the lungs). The deoxygenated blood coming out of the body organs is taken by a blood vessel F to the right upper chamber G of the pumping organ. Contraction of chamber G forces the deoxygenated blood into the right lower chamber H. And finally, the contraction of chamber H sends the deoxygenated blood into the lungs through blood vessel I.
- What is organ A?
- Name the blood vessel (i) B (ii) E (iii) F, and (iv) I.
- What are chambers (i) C, and (ii) D?
- What are chambers (i) G and (ii) H?
Define the term Circulatory system.
Choose the correct answer:
Which of the following engulfs pathogen rapidly?
Differentiate between:
Diastole and Systole.
Give scientific reason.
Human heart is called as myogenic and autorhythmic.
Draw labelled diagram of internal structure of human heart.
Label right atrium, mitral valve, left ventricle and pulmonary semilunar valve.
Write a function of Eustachian and tricuspid valve found in human heart.
Why are the walls of the left ventricle thicker than the other chambers of the heart?
The given diagram represents the conducting system of human heart. Identify 1, 2, 3, 4.

Identify the INCORRECT statement regarding heart.
The back flow of blood during the pumping of blood by the heart is prevented by:
