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प्रश्न
Explain Diapedesis.
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उत्तर
Diapedesis – Leucocytes, especially monocytes, migrate through the walls of the blood vessels. This process is called diapedesis. Leucocytes migrate to fight germs.
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संबंधित प्रश्न
Describe the function of the heart.
The diagram below represents the human heart in one phase of its function. Study the diagram carefully and answer the questions that follow:
(i) Name the phase.
(ii) Which part of the heart is contracting in this phase? Give a reason to support your answer.
(iii) Name the parts labelled 1 to 4.
(iv) What type of blood flows through ‘2’?
(v) State the function of the part numbered ‘5’.
(vi) Name the membrane that covers the heart.
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Give reason for the following:
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Blood is produced in the bone marrow.
______ is a granulocyte.
Which of the following is TRUE regarding leucocytosis?
Which of the following cells are produced from reticulocytes?
Identify the CORRECT statement/s regarding blood clotting.
Identify the normal haemoglobin count in human females.
