1. Warm Up/ Notebook Quiz Put HW worksheets on desk to be checked
Use only YOUR notes from yesterday to complete “Body Organization Questions” sheet.
This is a quiz grade!

2. Skeletal System http://www.brainpop.com/health/bodysystems/skeleton/

4. Number of Bones
The adult human body has 206 bones. An infant may have from bones at birth.

5. Most of the bones in the body are in the hands and feet.
The hand has 27 bones, the foot has 26

6. The longest bone in your body, the femur (thigh bone), is about 1/4 of your height. The smallest is the stapes (or stirrup) in the ear which is about 1/10 of an inch long

7. Humans and giraffes have the same number of bones in their necks, 7!.

8. There are 14 bones in the human face

9. What about teeth? Teeth are not really bones.
Bones, unlike teeth, are wrapped in a layer of cells called the periosteum. The periosteum and a few other cell types allow bones to grow and be remodeled over time.
Teeth are unable to do this, which is why we have to take care of them.
Teeth are made up of four different layers of tissue though.

10. Humans grow 2 sets of teeth in their lifetime

11. Skeletal System 5 Functions:
Support - Bones provide the basic shape and structure for the body

12. 2. Protection The skeleton protects organs in the body.
cranium: protects the brain
ribs/sternum: protects the lungs, heart and some digestive organs
pelvis: protects and supports the digestive and reproductive organs
spinal column: protects the spine

13. 3. Blood Cell Production.
Bone Marrow inside bones produce and repair new red and white blood cells

14. 4. Movement. The bones are the levers that help the body move in different directions and in different ways. Bones and muscles work together to let the body move.

15. 5.Mineral Storage (Calcium) Mineral is a substance that the body needs to carry out all of our bodily functions like thinking, breathing and moving around. One of the minerals that the body needs is calcium. Calcium is a major part of bone, and this is where the body stores its calcium.

16. Periosteum - membrane that lines the outer surface of all bones, except at the joints of long bones.
CARTILAGE - the tough but flexible tissue that covers the ends of your bones at a joint
Joint – the place 2 bones meet
Ligament - the tissue that connects bones to other bones (B to B)
Tendon – the tissue that connects bone to muscle (B to M)

17. VIDEO BREAK \ \

18. Axial Skeleton – Made of bones the provide support and protection
Write in notebook
Axial Skeleton – Made of bones the provide support and protection
Skull
Ribs
Vertebrae
Scapula
Humerus

19. Appendicular Skeleton – made of the bones that allow movement
Write in notebook
Appendicular Skeleton – made of the bones that allow movement
Arms (humerus, ulna radius)
Legs (femur, tibula, fibula)

20. Mr. Matchmaker 1. Mandible = Jawbone 2. Rib Cage = Ribs
3. Pelvis = Hipbone
4. Phalanges = Finger Bones
5. Patella = Kneecap
6. Cranium = Skull
7. Humerus = arm bone
8. Vertebrae = Back bone
9. Femur = Thighbone
10. Metatarsals = foot bones

21. Independent Work Worksheet pg 25 = use dictionary
Worksheet pg = Read & answer questions

22. Homework Finish skeletal system packet Test corrections due tomorrow
Write out question and full answer on notebook paper and turn in with test

23. Warm Up – put yesterday’s packet on desk to be checked
Write down the 5 functions of the skeletal system
Write 1 sentence explaining each function

24. 5 Functions
Support. Bones give our body support and shape.
Protection. Bones protect the organs in our body.
Blood Cell Production. Blood is made inside of bone marrow.
Movement. Bones and muscles work together to let you move
Mineral Storage. Calcium is stored inside bones, which we need to be healthy

25. Parts of a Bone 3 layers of bone (2 tissues & marrow)
Compact Bone Tissue: the hard outer layer of a bone
Spongy Bone Tissue: The 2nd, middlel layer of bone that stores calcium. Strong but lightweight
Bone Marrow: Center of bone, produces blood cells

26. Joints The place where 2 bones meet Why are joints important?
Without joints, bones would not be able to move.
Why not?
Because it is at the joint that movement happens

27. Type of Joints Immoveable & Slightly Movable Joints
Lock bones together like puzzle pieces
The place where 2 bones meet but do not move (skull)

28. Type of Joints Freely Movable Joints Ball and Socket Joint
Let body bend and move
Ball and Socket Joint
Hinge Joints
Sliding/Gliding Joint

29. Ball and Socket Joint Allows movement in almost any direction
Rotates like a ball

30. Ball & Socket Joint Examples
Shoulder Hip

31. Hinge Joint Allows forward and backward movement only
Like a door opening and closing

32. Hinge Joints Elbow Knee
*not as much movement as a Ball & Socket but it is stronger

33. Sliding/Gliding Joint
Lets bones slide easily across each other
Allows bending and turning (rotation)

34. Sliding/Gliding Joint Examples
Ankle Wrist

35. Bones & Joint Practice Skelton Worksheet
Cranium/Skull
Skelton Worksheet
Label the bones of the skeleton (use Mr. Matchmaker and 17B)
Circle and Label all the different joints
Ball & Socket - Hinge - Sliding
3. Pick 2 colors
- Color all the bones in the Appendicular skeleton 1 color and the bone in the axial another
(17B for help)
Ball & Socket

36. Exit What part of the bone produces blood?
What type of joint is in the knee?
How do you know this is the type of joint in your knee?