How long is your small intestine? With a few items from around the house, you can learn the science behind your small intestine. Use the yardstick to measure and cut 23 feet of yarn or rope. The yarn ...

The small intestine is an important part of the digestive system, connecting the stomach to the large intestine. It stretches about 20 feet and coils to fit in your abdomen. The small intestine is ...

This story is part of a series exploring human anatomy and physiology complexities. Each story in this collection showcases discoveries reshaping our understanding of the body's inner workings, ...

The digestive system is like a big food factory inside our bodies. Its job is to break down the food we eat into smaller pieces so that our bodies can absorb the nutrients from the food to help us ...