Human Body Games — Predict, Watch, Understand
These free human body games let a child predict what a part of the body will do, watch it happen, and see why. The body is full of surprises — muscles can only pull, your lungs swap one gas for another, and bones are a shield as much as a frame — so guessing first, then watching, is how it makes sense. No ads, no sign-up.
Predict which body part senses what — eyes see, ears hear, nose smells, tongue tastes, skin feels.
Predict which tooth does which job — sharp incisors cut, pointy canines tear, flat molars grind.
Predict what bones do — they hold you up and shield soft organs: the skull guards the brain, the ribs the heart.
Predict what breathing does — take in oxygen, breathe out carbon dioxide; the lungs puff up and shrink.
Predict how a muscle moves you — muscles can only pull, never push, so they work in opposing pairs.
Predict food’s journey — mouth to stomach to intestines, where nutrients soak into the blood.
Predict how blood moves — the heart pumps it around a loop, out with oxygen and back to refill.
Predict how your body sends messages — the brain is in charge, with nerve signals to move and feel.
What kids learn
The body is a set of systems that work together: the skeleton and muscles move you, the heart and lungs deliver oxygen to every cell, the digestive system turns food into fuel, the senses gather information, and the brain runs the whole thing through the nerves. Each game isolates one part and lets the child test a hunch against what really happens inside.
More science games
Explore the full set on the science games hub, including life science games and earth & space science games.
Common questions
What do bones do?
Your skeleton does two big jobs: it is the strong frame that holds your body up and lets you move, and it shields the soft parts inside. The skull is a hard helmet for the brain, the ribs make a cage around the heart and lungs, and the spine protects the spinal cord. Bones are living tissue, not dry sticks — they grow and heal.
Why do muscles work in pairs?
A muscle can only pull — it shortens to tug on a bone, but it cannot push. So to move a joint both ways, muscles come in opposing pairs: to bend your elbow the biceps pulls your forearm up; to straighten it the triceps on the other side pulls it back down. One contracts while its partner relaxes.
What are the five senses?
The five senses each use a different organ to gather information and send it to the brain: eyes for sight, ears for hearing, the nose for smell, the tongue for taste, and the skin for touch (including hot, cold and pain). Many everyday things, like eating, use several senses at once.
Where does food go when you eat it?
Food takes a long journey through the digestive system: chewed and softened in the mouth, down the esophagus to the stomach where acid and churning break it apart, then into the small intestine where the nutrients soak into your blood, and finally the large intestine, which takes back water and forms the waste.
What age are these human body games for?
Roughly ages 6–12 (grades 1–6), and each game shows its grade band. The five senses, teeth and the skeleton suit the youngest (grades 1–4); muscles, digestion, the heart, lungs and brain reach grades 3–6. The predict-and-watch format needs no reading-heavy setup.