1. I will be able to define the following terms:
MT: Immune System
I will be able to define the following terms:
Antibodies
Vaccine
Bacteria
Virus
Benign
Pathogen
Molecular barrier
Physical barrier

2. Pathogen Def: any agent that causes disease “path” = disease
Word in use:
1. pathology is the study of disease
2. a pathologist is someone who studies disease

3. Antibody
pathogen
Protein found in blood that detect and destroy foreign invaders (pathogens)
Antibody
Red blood cell

4. Vaccine
Weakened form of a pathogen so body creates antibodies against it

5. Bacteria Prokaryote no nucleus
Genetic material floats around cytoplasm
no organelles
Simple
one cell

6. Virus
Small particle that has DNA or RNA and uses other organisms to grow and reproduce
Not all are harmful

7. Benign Not dangerous; Harmless Neutral
Word in Use: A benign skin tumor is not cancerous – it does not hurt a person.

8. Molecular Barrier To block or protect using chemicals or molecules
Ex: antibodies, hand sanitizer, soap, household cleaners

9. Physical barrier To block or protect using a touchable object
Ex: fence, skin, wall, jacket, condom