Exercise and Immunity

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Across
  1. 3. Protects the body from infection and diseases
  2. 4. This forms to close a wound and prevent pathogens from entering
  3. 5. when someone is clean
Down
  1. 1. Histamine is released when the body detects damaged defences and pathogens have entered the body
  2. 2. A person is in good condition and doesn't have any diseases or mental issues