Blister

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/blister

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 primary etiologies?Common causes include friction, thermal injury, chemical exposure, and infections
2. What is the fluid composition variability?Fluid can be serum, plasma, blood (hemorrhagic bulla), or pus (if infected)
3. Why do blisters appear when I rub my feet on my shoes?When you rub your skin, the friction pulls the layers of skin apart. This lets fluid build up between the layers, creating a blister.
4. What is inside a blister?The fluid inside a blister is mostly clear liquid from your blood, full of tiny proteins and salts. It keeps the skin moist so it can heal.

Epidermis: The outermost layer of the skin, where most blisters initially form.
Dermis: The layer of skin beneath the epidermis, containing blood vessels and nerves.
Inflammatory Mediators: Chemicals released during inflammation that increase blood vessel permeability.
Autoimmune Disease: A condition where the body's immune system attacks its own healthy tissues.