6th Grade Science<br />Muscular System<br />
I. General<br />Numbers = 600 muscles<br />B. Terminology<br />1. Muscle means “little mouse”<br />C. Amount<br />1.  50% ...
E. Types<br />
E. Types<br />Cardiac Muscle (Heart)<br />i. Moves blood<br />2. Smooth Muscle<br />i. Move fluids inside body<br />ii. Sl...
3. Skeletal Muscle<br />i. Voluntary<br />ii. Get tired<br />iii. React quickly<br />iv. Pull on bones (tendon)<br />a. Mu...
II. Injuries<br />A. Pulled muscle<br />1. Overworked or overstretched<br />2. Tendons can also be partially torn<br />B. ...
III. Diseases<br />A. Muscular Dystrophy – Convert muscle to fat<br />
IV. Structure<br />A. Muscle Bundles<br />
B. Skeletal Muscle Cell<br />
C. Myofibril<br />
D. Skeletal Muscle Fibers<br />1. Actin<br />2. Myosin<br />
V. Mechanism of Contraction<br />
VI. Skeletal Muscle Motor Units<br />Figure 10.1a<br />
Muscular system
Muscular system
Upcoming SlideShare
Loading in …5
×

Muscular system

2,500 views

Published on

Published in: Education
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
2,500
On SlideShare
0
From Embeds
0
Number of Embeds
69
Actions
Shares
0
Downloads
17
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

Muscular system

  1. 1. 6th Grade Science<br />Muscular System<br />
  2. 2. I. General<br />Numbers = 600 muscles<br />B. Terminology<br />1. Muscle means “little mouse”<br />C. Amount<br />1. 50% of body weight<br />D. Groups<br />1. Involuntary = Not controlled<br />2. Voluntary = You have to think about <br />
  3. 3. E. Types<br />
  4. 4. E. Types<br />Cardiac Muscle (Heart)<br />i. Moves blood<br />2. Smooth Muscle<br />i. Move fluids inside body<br />ii. Slow acting<br />iii. Long lasting<br />
  5. 5. 3. Skeletal Muscle<br />i. Voluntary<br />ii. Get tired<br />iii. React quickly<br />iv. Pull on bones (tendon)<br />a. Must work in pairs<br />v. Maintain posture<br />vi. Stabilize joints<br />vii. Generate heat<br />
  6. 6. II. Injuries<br />A. Pulled muscle<br />1. Overworked or overstretched<br />2. Tendons can also be partially torn<br />B. Cramps<br />Muscle stays contracted<br />
  7. 7. III. Diseases<br />A. Muscular Dystrophy – Convert muscle to fat<br />
  8. 8. IV. Structure<br />A. Muscle Bundles<br />
  9. 9. B. Skeletal Muscle Cell<br />
  10. 10. C. Myofibril<br />
  11. 11. D. Skeletal Muscle Fibers<br />1. Actin<br />2. Myosin<br />
  12. 12. V. Mechanism of Contraction<br />
  13. 13.
  14. 14.
  15. 15. VI. Skeletal Muscle Motor Units<br />Figure 10.1a<br />

×