1 of 13

Slide Notes

DownloadGo Live

Skeletal System

Published on Nov 24, 2015

No Description

View Outline

MORE DECKS TO EXPLORE

PRESENTATION OUTLINE

1.

Functions of the skeleton

  • Provides shape and support
  • Enables movement
  • Protects organs
  • Produces blood cells
  • Stores minerals
Photo by Patty Mooney
2.

JOINT

PLACE WHERE TWO BONES COME TOGETHER
Photo by jay_en_em
3.

Immovable joints

Skull bones held together by immovable joints
Photo by NCSSMphotos
4.

Movable joints:
Allow movement
Held together by connective tissue: ligaments.
Cartilage: connective tissue more flexible than bone, cushions the ends of bones so they don't rub together.

Photo by rocor
5.

Type of joint determines movement

  • Hinge: knee, elbow
  • Ball and socket: hip, shoulder
  • Pivot: neck
  • Gliding: wrist, ankle
Photo by Birdies100
6.

Can you move across the room without your using joints?

Photo by Out.of.Focus
7.

Bones......

Are Living, grow and develop
Photo by dwaynehoov
8.

Bone structure

  • Outer membrane
  • Compact bone
  • Spongy bone
  • Marrow
9.

Outer membrane

Blood vessels and nerves enter and leave through membrane
Photo by Nottingham Vet School
10.

Compact bone

Hard and dense, small canals carry blood vessels and nerves
11.

Spongy bone

Like a sponge, has many spaces, lightweight but strong
Photo by quinn.anya
12.

Marrow: soft connective tissues found in spaces in bone. Red marrow produces the body's blood cells. Yellow marrow stores fat for energy reserve.

13.

Major bones

  • Skull
  • Humerus, femur
  • Vertebrae
  • Ribs
  • Pelvic bone

Marybeth Mineo