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The Skeletal System

The Skeletal System. Your skeletal system has many functions… Provides support for the body Protects internal tissues and organs from damage Acts as the framework for attached muscles Allows movement of limbs and digits Produces new red and white blood cells

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The Skeletal System

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  1. The Skeletal System

  2. Your skeletal system has many functions… • Provides support for the body • Protects internal tissues and organs from damage • Acts as the framework for attached muscles • Allows movement of limbs and digits • Produces new red and white blood cells • Stores fat and minerals (calcium and phosphorus) There are 206 bones in the human body.

  3. http://kidshealth.org/misc/movie/bodybasics/bone.html • Key terms from the clip: Bone Marrow, Compact Bone, Spongy Bone • Ossification: the process by which bone is formed, renewed, and repaired. Bone Structure

  4. Bones are categorized by their shape. • Shapes include long bones, short bones, flat bones, and irregular bones. Examples: Humerus and Femur - Long Bones Rib, Skull, Sternum – Flat Bones Wrist, Carpals (hands), Tarsals (feet)– Short Bones Vertebrae and Hip – Irregular Bones Types of Bones

  5. Cartilage: a strong, flexible connective tissue that can act as a cushion between bones to reduce friction or as a flexible structure for soft parts of the body. • Ligament: a band of fibrous, slightly elastic connective tissues that attaches one bone to another. Ligaments attach to bones to make joints. • Tendon: a fibrous cord that attaches muscle to the bone. Also holds joints together. Connective Tissue

  6. Joints: Are points at which bones meet. Different Types of Joints: Flexible joints include ball and socket, hinge, pivot, and ellipsoidal joints Examples: Hinge joint – Elbow and Knee Ball and Socket – Hip Pivot – Rotation of the skull Ellipsoidal - Wrist Joints

  7. http://kidshealth.org/misc/movie/bodybasics/bodybasics_knee.htmlhttp://kidshealth.org/misc/movie/bodybasics/bodybasics_knee.html Connective Tissue and Joints

  8. cranium clavicle sternum scalpula humerus ribs vertebrae radius pelvis ulna metacarpals carpals phalanges femur patella The Skeleton fibula tibia tarsals metatarsals phalanges

  9. Largest Bone: • Femur • Smallest Bone: • the stapes (ear bone) a.k.a. “stirrup” Interesting Facts…

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