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प्रश्न
What is blood? Why is it red?
उत्तर
Blood is a red colour connective tissue that circulates in our body. Blood has an extra-cellular matrix called plasma, where red blood cells, white blood cells and platelets float. Blood is red because of the presence of haemoglobin. Haemoglobin is a red colour pigment, found in red blood cells.
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संबंधित प्रश्न
Choose the correct answer:
Both erythrocytes and leucocytes form in the _________
The dead leucocytes are destroyed in the following organs/fluid EXCEPT ____________.
Describe any two types of granulocytes (WBC) w.r.t. their structure and function.
Observe the table and fill the appropriate blocks and rewrite.
| Structure of WBCs | Types of WBCs | Functions | |
| (1) |  |
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| (2) |  |
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| (3) |  |
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| (4) |  |
Write a short note on blood clotting.
Distinguish between Erythrocytes and Leucocytes.
The life span of an RBC is ______.
Name the following:
Any two organelles absent in mature RBCs.
Mention the following:
Average life span of RBCs.
The corpuscles which transport the respiratory gas oxygen to the different parts of the body ______.
