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प्रश्न
Ventricles have ______ walls when compared with those of auricles.
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उत्तर
Ventricles have thick muscular walls when compared with those of auricles.
संबंधित प्रश्न
Give biological reasons for the following statements:
The left ventricle of the heart has a thicker wall than the right ventricle.
What is the function of spleen?
Find the odd one out.
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 |
Veins have valves at intervals in their inner lining whereas the arteries do not have valves. Explain.
Differentiate between:
Arteries and Veins.
Complete the following sentence with appropriate word:
Beside food, oxygen and waste materials, circulatory system transports ________ to various parts of the body.
Distinguish between Intrinsic and extrinsic process of clotting
______ WBCs are present per mm3 of blood.
Name these:
Two kinds of circulatory systems in different animals.
