The Digestive & Circulatory System Activity

Choose one activity from the two options below (or try both!) and have fun.

Option 1: Measure the Small Intestine

Directions for measuring the small intestine:

small intestine.pdf

  1. Gather Materials:

      • Measuring tape or ruler

      • String

      • Scissors

      • Pen/pencil

      • Paper

      • Optional: stuffed animal

  2. The small intestine is 24 feet long! Measure the distance of 24 feet with string or strips of paper and imagine that fitting inside of your gut!

  3. Write 1 sentence answering the following question:

      • Why do you think the small intestine is so long?

Option 2: Digestive System Worksheet & Quiz

Digestive System Worksheet & Answer Key:

Digestive and Circulatory System Worksheet.pdf

Directions for the digestive system worksheet and quiz:

  1. Gather Materials:

      • Digestive System Diagram & Worksheet

      • Pen/pencil

      • Paper

  2. Complete the Digestive System Worksheet and then check your answers with the answer key.

  3. Test a friend or family member with this worksheet.

  4. Optional: Come up with additional quiz questions. Here are some questions and answers you can use:

      • Q: What must happen for nutrients to reach our cells?

      • A: Food must be broken down into small particles by our digestive system AND nutrients must be absorbed into our bloodstream to be delivered to the cells.

      • Q: List two body parts where food is broken down into smaller pieces

      • A: Mouth, stomach, and the small intestine.

      • Q: What happens to food that cannot be broken down fully by the digestive system?

      • A: It is eliminated from the rectum as poop.

      • Q: What organ absorbs most nutrients and sends them into the bloodstream?

      • A: Small Intestine.