Grade 4 medium worksheet on body systems and their organs. Students practice arteries, veins, the windpipe, small intestine, joints, and the spinal cord. Fill-in items extend Grade 4 vocabulary, and matching pairs each major system with its organs and key roles, helping students see how the body works as a connected set of systems. This Grade 4 worksheet supports classroom practice and homework.
Style:
Body Systems and Senses
Part A: Fill in the Blank
Write the missing word or number on each line.
1. Blood vessels that carry blood away from the heart are called arteries.
2. Air enters the lungs through a tube called the windpipe.
3. The long tube where most nutrients are absorbed from food is the small intestine.
4. Bones meet other bones at places called joints.
5. Muscles move bones by contracting, or getting shorter and pulling.
6. The spinal cord is part of the nervous system and runs down the back inside the spine.
7. Carbon dioxide leaves the body when we breathe out.
8. The skull is part of the skeletal system and protects the brain.
9. Blood that returns to the heart travels through vessels called veins.
Part B: Matching
Match each item on the left to the correct answer on the right.
1. Match each item to its correct answer.
Skeletal system
→ Bones that support and protect the body
Bones that support and protect the body
Muscular system
→ Muscles that contract to move bones
Muscles that contract to move bones
Respiratory system
→ Lungs that take in oxygen and release carbon dioxide
Lungs that take in oxygen and release carbon dioxide
Nervous system
→ Brain and nerves that control body actions
Brain and nerves that control body actions
Body Systems and Senses
★ Part A: Fill in the Blank
Write the missing word or number on each line.
1) Blood vessels that carry blood away from the heart are called arteries.
2) Air enters the lungs through a tube called the windpipe.
3) The long tube where most nutrients are absorbed from food is the small intestine.
4) Bones meet other bones at places called joints.
5) Muscles move bones by contracting, or getting shorter and pulling.
6) The spinal cord is part of the nervous system and runs down the back inside the spine.
7) Carbon dioxide leaves the body when we breathe out.
8) The skull is part of the skeletal system and protects the brain.
9) Blood that returns to the heart travels through vessels called veins.
★ Part B: Matching
Match each item on the left to the correct answer on the right.
1) Match each item to its correct answer.
Skeletal system
→ Bones that support and protect the body
Bones that support and protect the body
Muscular system
→ Muscles that contract to move bones
Muscles that contract to move bones
Respiratory system
→ Lungs that take in oxygen and release carbon dioxide
Lungs that take in oxygen and release carbon dioxide
Nervous system
→ Brain and nerves that control body actions
Brain and nerves that control body actions
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10 Questions
10-15 minutes
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