Immunity

3. - a type of protein that triggers normal proteins in the brain to fold abnormally
5. - a bacterium, virus, or other microorganism that can cause a disease
6. - an infective agent that typically consists of a nucleic acid molecule in a protein coat, is to small to be seen by light and is able to multiply within living cells of a host
7. - a living thing that is too small to be seen with the naked eye
9. - create a type of protein called an antibody
11. - any substance that causes your immune system to produce antibodies against it
12. - a contagious disease is one that can be spread from person to person
13. - is a larger organism that harbours a smaller organism
14. - is the state of being insusceptible or resistant to a noxious agent or process, especially a pathogen or infectious disease

1. - invertebrates characterized by elongnated, flat or round bodies
2. - a simple eukaryotic organisms that are neither plants nor animals or fungi
4. - any group of spore-producing organisms feeding on organic matter, including molds,yeast, mushrooms, and toad stools
6. - introducing something called an antigen into the body, which imitates an infection and primes the immune system to respond
8. - a member of a large group of unicellular microorganisms which have cell walls but lack organelles, can also cause a disease
10. - a cavity or part that holds some fluid or secretion