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प्रश्न
What makes the blood look red?
टिप्पणी लिखिए
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उत्तर
- The presence of haemoglobin, a red pigment in the red blood cells (RBCs) makes blood appear red in colour.
- The haemoglobin carries oxygen and transports it to all the parts of the body.
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संबंधित प्रश्न
| The liquid connective tissue A circulates in our body continuously without stopping. This tissue contains a pigment B which imparts it a colour C. The tissue A consists of four components D, E, F and G. The component D fights infection and protects us from diseases. The component E helps in the clotting of tissue A if a person gets a cut. The component F is a liquid which consists mainly of water with many substances dissolved in it and component G carries oxygen from the lungs to all the parts of the body. |
- What is (i) tissue A (ii) pigment B, and (iii) colour C?
- Name (i) D (ii) E (iii) F, and (iv) G.
- Name one substance (other than oxygen) which is transported by tissue A in the human body.
- Which two components of tissue A are the cells without nucleus?
- Name any two organisms ( animals) which do not have liquid like A in their body.
Name the following:
Components of blood
What is the shape of RBC in human blood?
Why is the colour of the blood-red?
Crab has blue blood.
______ are produced in the bone marrow.
What prevents the backflow of blood inside the heart during contraction?
What is the special feature present in a human heart which does not allow mixing of blood when oxygen-rich and carbon dioxide-rich blood reach the heart?
Why is it called an artery if it does not carry oxygen-rich blood?
Find out about blood groups and their importance.
