Do you know what's inside the lungs? How much do you know about hair? Try these activities and test your knowledge about how the body works! Bones & Skeletal System Activity Brain & Nervous System Activity Digestive System Activity Ears Activity Endocrine System Activity Eyes Activity Hair Activity Heart & Circulatory System Activity Immune System Activity Lungs & Respiratory System Activity Muscular System Activity Nails Activity Nose Activity Skin Activity Teeth Activity Tongue Activity Urinary System Activity Back to Articles Related Articles How the Body Works: Articles Your body has so many amazing parts. Learn more about them in these articles - perfect for school assignments! Read More How the Body Works: Quizzes From your nose to your toes, do you know how the body works? Take these quizzes to find out! Read More How the Body Works: Word Finds Learning new words will help you understand how the body works. Can you solve these word finds? Read More How the Body Works Main Page The human body is an amazing machine. Learn more about it through movies, quizzes, articles, and more. Read More Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor. © 1995-2021 KidsHealth®. All rights reserved. Images provided by The Nemours Foundation, iStock, Getty Images, Veer, Shutterstock, and Clipart.com.