crossword

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Across
  1. 3. the chemical processes that occur within a living organism in order to maintain life.
  2. 5. physical injuries of sudden onset and severity which require immediate medical attention
  3. 6. a disorder of structure or function in a human, animal, or plant, especially one that produces specific signs or symptoms or that affects a specific location and is not simply a direct result of physical injury.
  4. 7. a disease that is caused by the invasion of a host by agents whose activities harm the host's tissues
  5. 8. tendency of a medical condition to become progressively worse
  6. 13. a disease in which there is a severe loss of the body's cellular immunity, greatly lowering the resistance to infection and malignancy.
  7. 14. an examination of tissue removed from a living body to discover the presence, cause, or extent of a disease.
  8. 16. An infection transmitted through sexual contact, caused by bacteria, viruses, or parasites.
  9. 19. an unfortunate incident that happens unexpectedly and unintentionally, typically resulting in damage or injury.
  10. 22. grow slowly and do not spread
  11. 23. An abnormal mass of tissue that forms when cells grow and divide more than they should or do not die when they should.
  12. 24. an antigenic poison or venom of plant or animal origin, especially one produced by or derived from microorganisms and causing disease when present at low concentration in the body
Down
  1. 1. a substance that is capable of causing the illness or death of a living organism when introduced or absorbed.
  2. 2. A genetic disorder occurs when one or more genes are altered
  3. 4. A condition in which the body's immune system mistakes its own healthy tissues as foreign and attacks them.
  4. 9. disease are not caused by pathogens and therefore cannot be spread from one person to another.
  5. 10. a substance used to stimulate the production of antibodies and provide immunity against one or several diseases, prepared from the causative agent of a disease, its products, or a synthetic substitute, treated to act as an antigen without inducing the disease.
  6. 11. a damaging immune response by the body to a substance, especially pollen, fur, a particular food, or dust, to which it has become hypersensitive.
  7. 12. an infective agent that typically consists of a nucleic acid molecule in a protein coat, is too small to be seen by light microscopy, and is able to multiply only within the living cells of a host.
  8. 13. a medicine that inhibits the growth of or destroys microorganisms.
  9. 15. a virus that attacks the body's immune system.
  10. 17. system A complex network of cells, tissues, organs, and the substances they make that helps the body fight infections and other diseases.
  11. 18. something that increases risk or susceptibility
  12. 20. a malignant growth or tumor resulting from the division of abnormal cells.
  13. 21. a member of microorganisms which have a cell wall