T cell

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/t-cell

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 cell lineage?Lymphoid progenitor, derived from hematopoietic stem cells
2. What is the primary maturation organ?Thymus gland
3. What are T cells and why are they important?T cells are special cells that help fight germs and keep us healthy. They can kill infected cells and help other immune cells work better.
4. Where do T cells grow and how do they learn to fight?T cells start from stem cells in the bone marrow and move to the thymus, where they learn to recognize germs but not our own cells.

Hematopoietic Stem Cells: Multipotent cells in bone marrow that give rise to all blood cell types.
MHC Molecules: Major Histocompatibility Complex proteins that present antigens to T cells.
Apoptosis: Programmed cell death, a mechanism used by cytotoxic T cells.
Immunosurveillance: The process by which the immune system monitors the body for cancer cells.