Gangrene

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/gangrene

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 pathological mechanism?Irreversible tissue death due to prolonged ischemia or severe bacterial infection
2. What is the primary types?Dry gangrene (ischemic), Wet gangrene (infectious), Gas gangrene (Clostridial infection)
3. What is gangrene and why does it happen?Gangrene is when body tissue dies and turns dark because it doesn't get enough blood or gets infected by bacteria. It can happen when blood flow is blocked or when germs grow in low‑oxygen areas.
4. How can gangrene be different from other infections?There are two main types: dry gangrene, which is caused by lack of blood and looks like black, shriveled skin, and wet gangrene, which is an infection that swells, hurts, and smells bad.

Necrosis: The death of body tissue due to disease, injury, or lack of blood supply.
Peripheral Vascular Disease: Conditions that narrow the blood vessels outside of the brain and heart.
Debridement: The medical removal of dead, damaged, or infected tissue.
Sepsis: A life-threatening condition arising from the body's extreme response to an infection.