Question

live well: comprehensive high school health lesson 1.3 your immune system ell vocabulary review worksheet name: rileyy sweters class: health p.1 date: 9/11/25 place one letter in each blank to spell out a word that completes one of the sentences below. pathog06 white virus vaccination bacteria allergen s_e_n skin fill in the blank with a word from the list above that best completes each sentence. 1. anything foreign that enters your body is called a(n) 2. a(n) virus is a very small bundle of infectious material that gets inside your cells and then multiplies. 3. pathogen are single - cell organisms found in the environment that can carry disease. 4. the organ that helps filter invaders out of your body is called your 5. your immune response includes having your white blood cells attack invaders. 6. a(n) vaccination initiates the process of immunization. 7. a(n) allergen is something in the environment that causes you to have an immune system response. 8. your acts as an important barrier to protect you from pathogens.

Explanation:

1. Pathogens are foreign - substances that enter the body.
2. Viruses are small infectious agents.
3. Bacteria are single - cell organisms that can cause disease.
4. The spleen (not in the given list but a common organ for filtering) is an organ for filtering invaders; no correct word from list.
5. White blood cells are part of the immune response.
6. Vaccination starts the immunization process.
7. Allergens trigger an immune response.
8. Skin is a barrier against pathogens.

Answer:

1. Pathogen
2. Virus
3. Bacteria
4. No correct option from list
5. White
6. Vaccination
7. Allergen
8. Skin