Human Body

    The human body is an amazing thing. It is made up of various systems that work together to keep us breathing, eating, thinking, growing and playing. Find out more about everything from the brain in your head to the bones in your feet.

    Video thumbnail: Science Trek Skin (D4K)

    Science Trek

    Skin (D4K)

    Beauty may be only skin deep, but your skin does more than make you pretty. Find out.

    Skin (D4K)

    Video thumbnail: Science Trek Nervous System

    Science Trek

    Nervous System

    Learn how the nervous system works.

    Nervous System

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    Science Trek

    Nutrition

    Watch the “Nutrition Challenge” and learn more about eating right on this D4K.

    Nutrition

    Video thumbnail: Science Trek Muscles

    Science Trek

    Muscles

    Your muscles give your body shape and movement. Find out more about the muscular system.

    Muscles

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    Science Trek

    Blood

    Blood keeps you alive in more ways than one. Find out how in the Science Trek show.

    Blood

    Video thumbnail: Science Trek Five Senses

    Science Trek

    Five Senses

    You learn about the world through your five senses. Find out how in this Science Trek.

    Five Senses

    Video thumbnail: Science Trek Digestive System

    Science Trek

    Digestive System

    It takes about 24 hours for food to make its way through your digestive system.

    Digestive System

    Video thumbnail: Science Trek Sleep

    Science Trek

    Sleep

    What is sleep? Find out what happens when you go to bed and close your eyes.

    Sleep

    Video thumbnail: Science Trek The Heart: Blood Basics

    Science Trek

    The Heart: Blood Basics

    Learn more about the blood your heart pumps.

    The Heart: Blood Basics

    Video thumbnail: Science Trek The Heart: Heart Basics

    Science Trek

    The Heart: Heart Basics

    Learn more about your heart.

    The Heart: Heart Basics

    Video thumbnail: Science Trek The Brain: What's Inside Your Head

    Science Trek

    The Brain: What's Inside Your Head

    Find out what's inside your skull.

    The Brain: What's Inside Your Head

    Video thumbnail: Science Trek Sleep:  Why do we need it?

    Science Trek

    Sleep: Why do we need it?

    What is sleep? Find out what happens when you go to bed and close your eyes.

    Sleep: Why do we need it?