Biology for IGCSE & O level - Transport In Animals (Section 6 - No. 8)
What happens when a bacteria or virus enters the body?
Phagocytes are created.
Lymphocytes make proteins called antibodies.
The blood starts clotting.
Red blood cells increase in number.
Explanation
When a bacteria or virus enters the body the lymphocytes recognize that it is 'foreign' and should not be there. The lymphocytes then make proteins called antibodies
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