Communicable Diseases

3. _______________ spores carried in splashes of water often spread plant diseases.
8. Infected animals such as dogs or bats can pass _________ on to people.
10. Pathogens can make a poison called ___________ that makes us feel ill.
11. Human papilloma virus can cause __________ cancer.
12. Most of the communicable diseases in humans are caused by ____________ or viruses.
13. Bacteria, viruses, fungi, and ___________ are all pathogens.
14. _______________ are organisms that can carry pathogens and spread a disease.
17. _________________ are the microorganisms that cause diseases.

1. The ____________ system of your body helps you destroy pathogens.
2. ________________ is often linked to health problems like obesity and deficiency diseases.
4. Drinking water containing sewage can spread a disease like ___________
5. When you are ill you expel tiny __________ full of pathogens when you cough or sneeze.
6. ____________ are smaller than bacteria.
7. ____________ living in cells can trigger changes that lead to cancers
9. Many life _______________ can also affect your health.
15. Lifestyle factors often affect the __________ of disease.
16. Too much of __________ can increase the risk of heart diseases or mental health.