Question

at the \cells in your body have a job to do the immune system. inside your body, there are many different cells that do many different jobs. and the cells in your body work together like a team. any foreign substance in your body that makes the immune system react is called an antigen. these antigens can be the pollen from the air, a virus or bacteria, or a chemical. there are some different types of immune cell helping to keep the harm the body. they can be grouped into macrophages (processes food - derived cell debris) and lymphocytes (associated with the body’s immune response). phagocytes are a type of white blood cell and one of the first lines of defense in your blood stream, they are cheaply roaming around looking for antigens, and when they see one, they’ll eat it. lymphocytes can also help fight infections and are made in one & call: t - helper cells, and t - killer cells, every antigen can be very quickly recognized and can help learn to recognize it so it’s the job of the lymphocytes to learn them and then act at once. 1. cells are important to these reasons, which is wrong? a. help the body to do the job of keeping out antigens b. call the phagocytes to help destroy the antigen c. kill the cells or invade by a virus d. call the lymphocytes to help or kill the cells once a b - cell or t - cell outside to antigen, they create more cells to remember it. those \memory cells\ would live in your blood and if they ever see some antigen again, they will quickly recognize it by your immune system. can you think of a time when you were sick, and you could tell the problem was usually to be much worse? and you can also tell you felt better. what does your immune system do? a. makes you sick b. keeps you healthy c. protects you from illness d. makes energy for your body 2. define the word antigen. give 3 examples of antigens. 3. according to its office, your immune system works much like... a. the police b. an army c. an engine in a car d. a cornfield 4. where are white blood cells made? a. in your bones b. in your lungs c. in your brain d. in your heart 5. b and t cells are both... a. phagocytes b. doctors c. antigens d. lymphocytes 6. what can you do to help your immune system stay strong?

Explanation:

Para la pregunta "What does your immune system do?", analizamos las opciones:

• Opción a: "replenish your diet" no es función del sistema inmunológico.
• Opción b: "keep you from harm" es correcto, ya que el sistema inmunológico defiende al cuerpo de agentes dañinos.
• Opción c: "protect your from fires" no tiene relación con el sistema inmunológico.
• Opción d: "make energy for your body" es función de las células energéticas (como mitocondrias), no del sistema inmunológico.

Answer:

b. keep you from harm