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प्रश्न
Note the relationship between the first two words and suggest the suitable word/ word for the
fourth place:
Lubb: Atrioventricualr valves :: dup: …………………
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उत्तर
Lubb : Atrio-ventricular valve :: Dup : Semilunar valves
संबंधित प्रश्न
What is Diapedesis?
Differentiate between members of the following pairs with reference to the aspect asked within bracket:
Artery and vein (direction of blood flow)
Explain the following:
Why is the closed circulatory system more efficient than the open system?
Why does the left ventricle possess a thicker wall than the right ventricle?
Fill in the blanks with suitable words given below:
The oxygen-rich blood is pumped into different parts of the body through ______.
How many litres of blood does an adult human body have?
The table below is designed to indicate the transport of certain substances in our body. Fill in the blanks with suitable answers.
| Substance | From | To | |
| 1. | ______ | Lungs | Whole Body |
| 2. | Carbon Dioxide | ______ | ______ |
| 3. | Urea | ______ | ______ |
| 4. | Digested Carbohydrates | Intestines | ______ |
| 5. | ______ | ______ | Target Organs |
| 6. | Heat | ______ | Whole Body |
Differentiate between:
Red blood cells and White blood cells
Differentiate between:
Open circulatory system and Closed circulatory system.
Mention the phase of heart beat in which both the atrio-ventricular valves are closed.
