disease - Answers any condition that interferes with the proper functioning of the body or mind.
communicable disease - Answers a disease that can be passed to a person from another person, animal
or object.
pathogens - Answers disease causing organisms that are so small they can only be seen through a
microscope.
infections - Answers a condition that occurs when pathogens enter the body, multiply, and cause harm.
bacteria - Answers tiny one-celled organisms.
viruses - Answers the smallest pathogens.
fungi - Answers organisms that are more complex than bacteria but cannot make their own food.
protozoa - Answers one-celled organisms that are more complex than bacteria.
vector - Answers an organism, such as an insect, that transmits pathogens.
hygiene - Answers cleanliness.
Pathogens spread from... - Answers direct contact with others, indirect contact with others, contact with
contaminated food and water and contact with animals and insects.
You can prevent pathogens from spreading by... - Answers eating nutritious foods, get enough physical
activity and rest, avoid close contact with people infected, never share utensils or personal hygiene
items, avoid touching your mouth, nose and eyes and much more.
You can help others stay healthy by... - Answers avoiding close contact with people infected with a
communicable disease, especially if they are still contagious because then you will not spread it to other
people.
immune system - Answers a combination of body defenses made up of the cells, tissues and organs.
immunity - Answers your body's ability to resist the germs that cause a particular disease.
inflammation - Answers the body's response to injury or disease, resulting in a condition of swelling,
pain, heat, and redness.
lymphatic system - Answers a secondary circulatory system that helps the body fight pathogens and
maintains its fluid balance.
lymph - Answers the fluid circulating in the lymphatic system.
lymphocytes - Answers the white blood cells in the lymphatic system.