Body Systems Worksheet (Grade 3)
Free printable body systems worksheet for Grade 3. Students learn what the heart, lungs, stomach, and brain do in the digestive, respiratory, and circulatory systems.
Grade 3 · Health worksheet
Name
Date
Health
My Body Systems
Your body has parts that each do an important job. Fill in the blank or choose the best answer.
Word bank
fistBrainHeartLungsoxygenStomachskeletondigestivecirculatoryrespiratory
- 1.The body system that breaks down food is the ___ system.
- 2.Your heart is about the size of your closed ___.
- 3.The body system that uses the heart and blood vessels is the ___ system.
- 4.Which body part lets you think, learn, and remember?
- a) Brain
- b) Stomach
- c) Heart
- 5.Which body part pumps blood all around your body?
- a) Heart
- b) Lungs
- c) Stomach
- 6.Which body parts fill with air when you breathe in?
- a) Lungs
- b) Brain
- c) Liver
- 7.Blood carries ___ from your lungs to the rest of your body.
- 8.Which body part breaks down the food you eat?
- a) Stomach
- b) Heart
- c) Lungs
- 9.Your bones make up a frame for your body called the ___.
- 10.The body system that helps you breathe is the ___ system.
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