Immunity

High school (ages 12+)
Human Body

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/immunity

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the antigen recognition?Mediated by specific receptors on lymphocytes (TCRs and BCRs) and MHC molecules
2. What is the immune system?The immune system is a special defense network in our body that fights tiny germs and keeps us healthy.
3. How does the innate immune system protect us?It is the first line of defense. It uses skin, mucus, and cells like macrophages and natural killer cells to quickly attack germs.

Antigen: A molecule, typically foreign, that can trigger a specific immune response, often by binding to antibodies or T-cell receptors.
MHC (Major Histocompatibility Complex): A set of genes that encode cell surface proteins crucial for adaptive immune recognition of foreign antigens.
Immunotherapy: A type of cancer treatment that uses the body's own immune system to fight cancer cells.