biology disease

1. - restrict oneself to small amounts or special kinds of food in order to lose weight
4. - a safe, effective method of protecting against harmful infectious diseases by training the immune system to recognize and fight pathogen
6. - an organism or infectious agent that causes disease in its host, such as bacteria, viruses, fungi, or parasites
8. - protein produced by the immune system to help fight off diseases
10. - a highly contagious viral infection that causes cold-like symptoms, fever, and a distinct red rash, spreading through coughing and sneezing
12. - A virus that damages the immune system by attacking white blood cells.

2. - a public health practice that separates sick people with a contagious disease from people who are not sick
3. - microscopic, non-living pathogen that requires a living host cell—such as from humans, plants
5. - conditions or practices conducive to maintaining health and preventing disease, especially through cleanliness
7. - large group of diseases characterized by the uncontrolled growth and spread of abnormal cells in the body
8. - a colorless, psychoactive liquid produced by fermenting sugars with yeast. It acts as a depressant, slowing down central nervous system function
9. - an acute disease in humans caused by a coronavirus, which is characterized mainly by fever and cough and is capable of progressing to severe symptoms and in some cases death
11. - the practice of burning substances—most commonly tobacco—and inhaling the resulting smoke into the lungs