1. Skin, Muscles, & Bones
By: Mr. Hunter

2. The skeletal system supports the body and protects delicate parts.
Bones
The skeletal system supports the body and protects delicate parts.
Press your skin in various parts of your body. Where can you not feel bones? What organs are protected by what bones?

3. Which organs do these bones protect?

4. Why are bones important to you???
Protect vital organs
Provide a _____ that supports other body systems
Give the body its shape
Allow for _____ to occur

5. Bones
Bones are made of living _____, just as our muscles and skin are, so they can _____ themselves.

6. There are a little over _____ bones in the human body
There are a little over _____ bones in the human body. Everyone, however has a different number of bones.

7. Are teeth bones? No! Teeth cannot repair themselves!
When we get a hole in the _____, it does not repair itself.

8. The adult spine is made up of 25 separate bones called _____ .
The Spine
The adult spine is made up of 25 separate bones called _____ .

9. Why is the spine important to you?
It protects the spinal cord.
It is a support and attachment for other bones.
It absorbs shock.
It gives us flexibility in movement.

10. Mastoid Process Calcaneus Clavicle
Label These Bones
Cranium Sternum Scapula Ribs Vertebrae Pelvis Carpals Metacarpals Phalanges Tarsals Metatarsals Patella Fibula Tibia Frontal Temporal Parietal Occipital Radius Humerus Ulna Patella Fibula Tibia Femur Zygomatic Arch Maxilla Mandible
Mastoid Process Calcaneus Clavicle

16. How did your muscles change during this activity?
Sit in a chair with your feet on the floor.
Place your hand around your leg. Straighten one leg. Repeat several times.
How did your muscles change during this activity?

17. Every movement of your body…
…from…
… the beating of your heart
… the movement of food down your throat
… blinking of your eyes
… is controlled by…
MUSCLES!!!!!!!!!!!!!

18. Skeletal muscle Skeletal muscle is attached to your _____
Skeletal muscle, like all muscle, is made up of long f_____ .
Skeletal muscles can be described as _____ .

20. Tendons

21. Smooth muscles are ______ .
Smooth muscles are found in the _____ tract and in the walls of blood ______ (arteries and veins).
Smooth muscles are ______ .

23. Cardiac muscle is found in the _____ .
Cardiac muscles are _____ .

25. How do muscles work? Muscles work in _____ .
Flexor: _____________________
Extensor: __________________