1. MUSCLES

2. MUSCLES 1. There are over 600 muscles in the body.
2. All muscles contract (shorten) only
3. There are 3 kinds of muscles

3. Three Kinds of Muscle

4. SKELETAL MUSCLES 1. Connects to bones… causes them to move
2. Also called banded or striated muscle
3. Also called voluntary muscles .. You make them move
4. These muscles react quickly and tire quickly

5. Movement
When your muscle contracts (shortens) it pulls on the tendon, which pulls on your bone and they move together

6. Tendon vs. Ligament

7. The biceps are the flexor
The triceps are the extensor

8. SMOOTH MUSCLE 1. Does not have bands
2. They contract without you thinking about it
3. Also called involuntary muscle
4. Controls breathing, blood pressure and digestion
5. Reacts slowly and tires slowly

9. CARDIAC MUSCLE 1. Only found in the heart 2. Muscle fibers form mesh
3. Do not tire out
4. Produce their own signal

10. Voluntary vs. Involuntary
Under your control
Skeletal Muscle
Ex: bicep
Not under your control
Smooth & cardiac
Ex: stomach muscles
Some muscles can be both, like your eye muscles

11. Summary types of muscles
Description
Found
Voluntary or involuntary
Skeletal muscle
Moves bones
Arms, legs
voluntary
Cardiac
Never gets tired
Heart
Involuntary
Smooth
Organs
Intestine, stomach

12. Open up muscle workout to complete lab

13. Integumentary System Forms a protective covering outside the body
SKIN
Integumentary System
Forms a protective covering outside the body

15. Showing some skin…

17. Hair
Capillaries
Epidermis
Dermis
Fat cell
Pacinian
Oil gland
Artery
Vein
Sweat gland
Meissners corpuscle
Pore