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प्रश्न
Complete the following sentence with appropriate word:
The ______ is the most powerful organ in the circulatory system.
उत्तर
The Heart is the most powerful organ in the circulatory system.
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संबंधित प्रश्न
Which of the following is mesodermal is the origin?
The figure below represents the internal structure of a mammalian heart and the associated blood vessels.
(i) (a) Name each of the structures labeled 1, 2, 3, 4, 5, 6, 7 and 8.
(b) State the function of each of the structures 5, 6, 7, and 8.
(ii) (a) State the function of the heart as an entire organ.
(b) Why are the walls of the left ventricle more muscular than the right?
Give Technical Term for the following:
What is the approximate weight of the heart of a man?
State the Location: Sino-auricular node
Blood is pumped by
For which of the following reason the SA node acts as the normal pacemaker?
Match the items given in Column I (Valves) with those in Column II (Location) and select the correct option.
| Column I | Column II | ||
| i. | Tricuspid valve | a. | Between left atrium and left ventricle |
| ii. | Bicuspid valve | b. | Between right ventricle . and pulmonary artery. |
| iii. | Semilunar valve | c. | Between right atrium and right ventricle |
______ guards the opening of inferior vena cava.
The back flow of blood during the pumping of blood by the heart is prevented by:
In the given figure of the heart which of the marked structures (1, 2, 3, 4, 5) carries oxygenated blood.
