1. Bones, Muscles, Joints, and Coordinaton!

2. Bones! What are the three functions of bones? –Support –Movement –Protection

3. Bones! There are about….. 206 bones in the human body!

4. Bones Throughout Life Bones in the skull FUSE or GROW TOGETHER as you grow to protect the brain, eyes, and inner ears. Bones get WEAKER as we get older.

5. Joints! What is a joint? The place where two bones meet and bend! There are 3 kinds of joints…. Can you name all 3? 1. Hinge 2. Gliding 3. Ball and Socket

6. Joints! Hinge Joints… move in 1 direction (open/close) Examples: Knee Fingers Toes Elbow

7. Gliding Joints Gliding joints…. move in 2 directions Examples: Spine Wrist Ankle

8. Ball and Socket Joints Ball and Socket Joints…. move 3 different ways….. Forward/Backwards Sideways Rotates Examples: Shoulder Hip

9. Muscles! Muscles power all movement. Muscles CONTRACT or SHORTEN to PULL bones, making them move.

10. Our Amazing Thumbs! Our thumbs are…… opposable

11. Coordination! How does our body send messages or signals? What are the 3 steps?

12. Coordination First There is a STIMULUS that we sense through one of our senses or a thought.

13. Coordination Second A message is sent to the BRAIN and the BRAIN decides what to do.

14. Coordination Third The brain sends a message to the body And tells it how to RESPOND.