Skin fold

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/skin-fold

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 internal anatomical folds?Structures like plicae circulares in the intestines increase surface area for absorption
2. What are skin folds and why do we have them?Skin folds are natural creases in our skin that help us move by letting the skin stretch without tearing. They are made by the skin's elasticity, muscles, and bones.
3. How do skin folds help animals and scientists?In animals, special skin folds can show which species they are, because the folds look different in each species. Scientists use these folds to tell animals apart and learn about their evolution.

Integumentary System: The outer protective covering of the body, including skin, hair, and nails.
Taxonomic: Relating to the classification of organisms into groups based on shared characteristics.
Intertrigo: Skin inflammation that occurs in body folds due to friction, moisture, and heat.