検索キーワード： 解剖学・生理学

The Director of the Sinus Center at Johns Hopkins University explains why our noses start to run in cold weather.

Humans are such experts at laughing that we can distinguish a fake laugh from a real one. But why do we laugh?

Different organs inside the human body take turns arguing why they are the best organ of all.

Each food has its own special flavor. Why is it so easy for you to tell so many foods apart?

The brain is your body's control center. It collects signals from your senses, thinks and decides, and sends signals that tell your body what to do. Each part of the brain has a special job, and they all work together as you think.

Did you know if you break a bone, the bone can repair itself? You'll need to visit the doctor to have your broken bone set in a cast, while your body is hard at work repairing the injury! The moment you fall, blood from your injury sends signals to cells to start building new bone–the process of repairing is on its way! Do you know what your body makes to create new bone?

Do you know how the anatomy of the eye allows us to see colors? Learn about the part of the eye called cones. Cones are like sensors that detect colors. The more cones a person or animal has, the more colors the eye perceives. Can you guess if your pets see you in full color, or if you see your pets in full colors?

Can a person catch on fire without any reasonable explanation? Find out all we know about spontaneous human combustion in this exciting new book! A fire that burns without an obvious source of ignition isn't possible...right? In What Do We Know About Spontaneous Human Combustion?, curious young...

Dogs are amazing creatures with amazing bodies! Discover how fur protects their delicate skin, and which body parts gives them balance. Did you know dogs can wiggle their ears in many directions? Learn more facts about dogs and how their unique anatomy is different from other animals.