B5

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Across
  1. 3. Single-celled organisms that reproduce rapidly and can cause disease by releasing toxins that damage tissues
  2. 5. Poisonous substances produced by certain bacteria that cause damage to tissues and cells
  3. 6. Diseases that can spread from one person to another, typically caused by pathogens such as viruses, bacteria, fungi, or protists
  4. 10. Microorganisms such as bacteria, viruses, fungi, and protists that cause diseases
  5. 12. Medications that kill or inhibit the growth of bacteria, but are ineffective against viruses
  6. 16. Form of Transmission: The spread of pathogens through physical contact with an infected individual or surface
  7. 17. Diseases that cannot be spread between individuals, such as cancer or diabetes
  8. 18. The body’s defence system that fights off pathogens and protects against infections
  9. 20. Organisms that can cause infections, often through spores, and typically affect plants, but can also infect humans
Down
  1. 1. Proteins produced by the immune system to neutralise or destroy pathogens, key to the body’s defence after vaccination
  2. 2. The spread of disease through pathogens in droplets from coughing or sneezing
  3. 4. The process by which a pathogen is spread from an infected individual to another person, through air, water, direct contact, or vectors
  4. 7. A diverse group of pathogens, some of which cause diseases like malaria by using vectors such as mosquitoes
  5. 8. Organisms that can cause infections, often through spores, and typically affect plants, but can also infect humans, such as athlete's foot.
  6. 9. Practices such as washing hands, sanitising surfaces, and cooking food properly to prevent the spread of pathogens
  7. 11. The process of introducing a small, harmless amount of a pathogen into the body to stimulate the immune system to develop protection against the disease
  8. 13. Period The time between exposure to a pathogen and the appearance of the first symptoms of the disease
  9. 14. An organism, often an insect like a mosquito, that spreads pathogens between hosts
  10. 15. Measures that include waste disposal and sewage treatment to prevent contamination of water and the environment
  11. 19. A type of pathogen that reproduces inside host cells, causing cell damage. Viruses are responsible for diseases like influenza and HIV