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प्रश्न
Multiple choice questions. Tick ( ✓ ) the correct choice:
Human heart has
विकल्प
one auricle and one ventricle.
two auricles and one ventricle.
two auricles and two ventricles.
one auricle and two ventricles.
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उत्तर
two auricles and two ventricles.
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संबंधित प्रश्न
The blood from the heart is transported to all parts of the body by the ______.
Heart sounds are produced due to ______.
-
closure of tricuspid and bicuspid valves
-
rushing of blood through valves producing turbulence
-
closure of atrioventricular and semilunar valves
-
entry of blood into auricles
The table below is designed to indicate the transport of certain substance in our body. Fill in the
blanks with suitable answers.
| Substance | From | To |
| Lungs | Whole body | |
| Carbon dioxide | ||
| Urea | ||
| Digested carbohydrates |
Intestines | |
| Target organs |
Explain the difference.
Arteries and veins.
Name the three kinds of blood vessels found in human beings. With the help of suitable diagrams, differentiate between them.
Veins have valves at intervals in their inner lining whereas the arteries do not have valves. Explain.
Thin tube-like structures which are the component of circulatory system are called blood vessels.
Serum differs from blood in lacking ____________.
Which component of the haemoglobin molecule combines with the oxygen molecule to form oxyhaemoglobin?
Name the following:
The structure that holds the heart valves in position.
