ICSE Class 10 Answered
(e) Study the figures A, B and C shown below and answer the questions that follow:
(i) Name the blood vessel shown in A.
(ii) Name the two cells in A. Give one structural difference between the two blood cells.
(iii) Name the processes taking place in ‘A’ and ‘B’. State the importance of each process.
(i) Name the blood vessel shown in A.
(ii) Name the two cells in A. Give one structural difference between the two blood cells.
(iii) Name the processes taking place in ‘A’ and ‘B’. State the importance of each process.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
(i) Capillary
(ii) Red Blood Cell and White Blood Cell. Mature RBC lacks nucleus and are biconcave in shape while WBC is nucleated cell without haemoglobin and are irregular in shape.
(iii) In A, the process of diapedesis is shown. In this process WBCs squeeze out of the blood capillaries.
In B, the process of phagocytosis is shown. In this process, WBCs engulf pathogen with the help of pesudopodia. Once the pathogens are engulfed WBCs destroy the pathogen.
(ii) Red Blood Cell and White Blood Cell. Mature RBC lacks nucleus and are biconcave in shape while WBC is nucleated cell without haemoglobin and are irregular in shape.
(iii) In A, the process of diapedesis is shown. In this process WBCs squeeze out of the blood capillaries.
In B, the process of phagocytosis is shown. In this process, WBCs engulf pathogen with the help of pesudopodia. Once the pathogens are engulfed WBCs destroy the pathogen.
Answered by | 04 Jun, 2014, 03:23: PM
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