Skeletal System

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Slide 1

The Human Skeletal System

Slide 2

Skeletal (Anterior View)

Slide 3

Skeletal (Posterior View)

Slide 4

Slide 5

Slide 6

Bone as Living Tissue

Bones have a blood supply

Bones have nerves

Bones store and manufacture

Bones grow

Bone Marrow

Yellow Marrow

Storage of fat in long bone shafts

Red Marrow

Production of red blood cells in soft bone ends (cancellous)

Slide 7

Joints

Immovable Joints

Bones separated by a thin layer of connective tissue

Bones of the skull

Slightly Movable Joints

Gaps between bones are held together by cartilage

Vertebrae

Freely Movable Joints

Bones are separated by a cavity

Bones are held to other bones by ligaments

Tendons hold muscles to bones

Hinge joint - Knees and elbows

Ball and socket joint - Hip and shoulder

Gliding joint - wrist and ankles