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प्रश्न
State the functions of blood in our body.
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उत्तर
Following are the functions of blood:
- It transports oxygen from the lungs to the cells.
- It carries carbon dioxide, a waste product, from the body cells to the lungs.
- It fights diseases and infections.
- It regulates the body temperature.
- It carries hormones to different organs of the body.
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संबंधित प्रश्न
Aqueous humour, Vitreous humour, lris, Central canal
Describe, in brief, the circulatory system in human beings.
Draw the structure of a human heart and label its parts.
Name the following:
The valve present in between the chambers on the right side of the human heart.
Given below is a certain structure, write its chief functional activity.
Bone marrow - ______.
Given below is a highly schematic diagram of the human blood circulatory system.
 |
- Which part (state the number) represents the heart? Give reason in support of your answer.
- Which numbers represent the following, respectively?
Aorta Superior vena cava Hepatic portal vein Renal Vein Pulmonary artery Stomach
The oxygen-rich blood from the lungs comes into the ______ of the heart.
Find the odd one out, giving reason.
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:
Open circulatory system and Closed circulatory system.
State the Location:
Tonsils
State the Location: Spleen
Analogy
Arteries : Carry blood from the heart:: _________ :carry blood to the heart.
A female has haemophilic brother and parents having nonual blood clotting. She marries a male who has no history of haemophilia in his family. What is the possibility of her children having this disease?
Which of the following correctly represents the components of blood?
Which of the following cells are produced from reticulocytes?
Hematocrit is ______.
Name these:
Three circulating fluids in human body.
Name these:
Two kinds of circulatory systems in different animals.
