1. Unit 6: Introduction to the Muscular System

2. Unit 6: The Muscular System Everything you ever wanted to know but were afraid to ask.

3. Unit 6: The Muscular System Are you still afraid to ask?

4. Homework Assignment Go to… 1.West Ada School District Web Site 2.Centennial 3.Staff 4.McFarland 5.Anatomy and Physiology 6.Page 2 7.Open File “Unit 6 Skull Muscles Powerpoint” 8.Print slide #2 9.Hint: It says “Print this page for your homework assignment” at the bottom 10.Turn in as a bell ringer next class!

5. Unit 6: Muscular System Myo- Muscle Myology: The Study of Muscles How many skeletal muscles do you think the human body has? 600+ *162 are from the Face and Neck

6. 4 Functions of the Muscular System 1.Movement 2.Posture 3.Joint Stability 4.Heat Production

7. Muscular System Video https://www.youtube.com/watch?v=jqy0i1KXUO4

8. The Human Body

9. Unit 6: Muscle Tissue Types Boys have muscles!

10. Unit 6: Muscle Tissue Types Girls have muscles too!

11. Unit 6: Muscle Tissue Types Some girls have big muscles!

12. Three Types of Muscle Tissue 1.Skeletal Muscle Tissue: – Attached to Bone and Skin – Appearance: Striated – Very Powerful – Voluntary

13. Three Types of Muscle Tissue 1.Skeletal muscle tissue: – Attached to _______ and _________ – Appearance? ________________ – Voluntary/ Involuntary? – Powerful

14. Three Types of Muscle Tissue 2.Cardiac Muscle Tissue: – Only found in the Heart – Appearance: Striated and Branched – Involuntary

15. Three Types of Muscle Tissue 2.Cardiac muscle tissue: – Only in the ___________. – Appearance? ______________. – Voluntary/ Involuntary ?

16. Three Types of Muscle Tissue 3.Smooth Muscle Tissue: – Found in Wall of Hollow Organs – Appearance: Stratified Squamous, No Striations! – Involuntary

17. Three Types of Muscle Tissue 3.Smooth muscle tissue: – Found in ________________________________________ _______________________________. – Appearance? _______________. – Voluntary/ Involuntary

18. Unit 6: Muscle Attachments of Skeletal Muscles 1. All muscles cross at least one joint 2. Most of the muscle lies proximal to the joint crossed 3. All muscles have two attachments: Origin and Insertion 4. Muscles only pull, never push 5. During contraction, the insertion moves towards origin ORIGIN: Less movable attachment site INSERTION: More movable attachment site