| Body defenses, things that cause infections or diseases, viruses, defenses your system uses to fight infections or disease. Vaccines to prevent diseases, what things to use to sanitise yourself or other things we use everyday Viewed 3906 times - Created inside Health. Study of heredity, characteristics in plant and humans. organism's and genes. Show the difference between genotype and a phenotype. Viewed 2286 times - Created inside Health. Sudy of characteristics in plants, humans, and organism's. Viewed 2775 times - Created inside Science. | Advertisments |