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Human Body Unit

Discover fascinating facts about the human skeleton, which consists of 206 bones, including the longest bone, the femur. Learn about the unique structure of finger and toe bones, known as phalanges, and the six bones that make up the wrist. Explore the crucial role of muscles and tendons in body movement and the three types of joints: ball-and-socket, hinge, and gliding. Understand coordination and how your brain processes sensory stimuli to facilitate movement. This engaging overview reveals the complexities of the human body.

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Human Body Unit

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  1. Human Body Unit By Kelly

  2. Bones There are 206 bones in the human skeleton . The longest bone in the human skeleton is the femur. The finger and toe bones are called phlangies. Your wrist is made up of not 1 but 6 single bones. Your teeth are not actually bones.

  3. Muscles The tissue that holds the muscles to bones is called a tendon. If you had no muscles you could not move your bones then you would not be able to move your body. Muscles can pick up to 2,500 pounds.

  4. Joints There are three kinds of joints, ball-and-socket, hinge, and gliding. The tissue that helps you bend your joints is called cartilage. There are 61 joints in your body. A penguin has no joints except in their shoulders and beak.

  5. Coordination Coordination is all the bones moving at once. A stimulus is when you hear a sound, see, touch, taste, and smell. A response is when you do something about the sound. The brain sends a message to the nerves to help you move what you want to move.

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