Your Digestive System

Questions

1. Main idea What is this passage mostly about?

   what your heart does and how to keep it healthy what your digestive system does and how to keep it healthy what your lungs do and how to keep them healthy what your muscles do and how to keep them healthy
2. Details What is the job of your digestive system?

   to break food down into nutrients your body can use to control everything your body does to protect your body from germs, heat and cold to cut and grind food so you can swallow it
3. Vocabulary What does "nutrients" mean?

   the parts of food the body uses to grow and stay healthy a gas in the air that the body needs to live a tiny opening in the skin a strong cord that joins a muscle to a bone
4. Cause and effect According to the passage, why does this job matter?

   As sweat dries, it carries heat away and cools you down. Nutrients from food pass from the small intestine into your blood to feed every cell. Blood carries oxygen and food to every part of your body, so it must keep moving. Smaller pieces of food are easier to swallow and digest.
5. Details Which fact is in the passage?

   Your two lungs are not the same size: the left one is a little smaller to make room for your heart. Skin is the largest organ of the body. A baby has about 300 bones, but some join together as it grows, so an adult has 206. In an adult, the small intestine is about 6 meters long, folded up inside the belly.
6. Inference Which habit would the author most likely recommend?

   Fruit, vegetables and water help food move through the digestive system. Stretching and active play keep muscles strong and flexible. Sleep gives the brain time to rest and to store what you learned that day. Running, swimming and playing make the heart muscle stronger.
7. Evidence Which sentence explains how it does its job?

   Fruit, vegetables and water help food move through the digestive system. Food travels from your mouth to your stomach, where it is mashed and mixed, and then to your small intestine. It is a strong muscle about the size of your fist that squeezes and relaxes without ever stopping. In an adult, the small intestine is about 6 meters long, folded up inside the belly.

See all your scores