1. The Muscular System
Chapter 15-3
Page 488

2. Muscle Facts Muscles are tissues that can shorten along their length
Muscles only move things when they contract or shorten
There are more than 600 muscles in the muscular system

3. Muscular System
The Muscular System works with the Skeletal System to provide movement.
The Muscular System works within internal organs to support bodily functions

5. 2 Muscle Categories Voluntary Muscles Involuntary Muscles Skeletal
Cardiac
Smooth

6. Voluntary Muscles Muscles that are under conscious control Examples:
Muscles that move joints (biceps and triceps)
Muscles that move skin (smiling, raising your eyebrows)

7. Voluntary Muscles

8. Voluntary Muscle -

9. Involuntary Muscles Muscles NOT under conscious control
Examples: heart, digestive organs,
diaphragm (breathing)

10. Involuntary Muscles

11. Involuntary Muscles

12. Skeletal Muscle Smooth Muscle Cardiac Muscle
3 Types of Muscle Tissue
Skeletal Muscle
Smooth Muscle
Cardiac Muscle

13. 3 Types of Muscle Tissue

14. Skeletal Muscle
P 489
Muscle attached to the skeleton, making movement possible

15. Skeletal Muscle -

17. Smooth Muscle -
P 489
Involuntary muscle found inside many internal organs of the body

18. Smooth Muscle -

19. Cardiac Muscle -
p489
Muscle tissue found only in the heart

21. 3 Types of Muscle Tissue

23. Striated Muscle (cardiac)

24. Striated Muscle (skeletal)

25. Smooth Muscle -

27. Internal Organs & Blood Vessels
Voluntary
Involuntary
Involuntary
Striated
Non-Striated
Striated
Quickly
Slowly
Quickly No No
Yes
Attached to skeleton
Internal Organs & Blood Vessels
Heart

28. Tendon -
P 490
Strong connective tissue that attaches a muscle to bone.

29. Tendon

30. Tendon Video

31. Quiz

32. Flexor -
Muscle that bends a joint.

33. Flexor - -

34. Extensor -
Muscle that straightens a joint.

35. Extensor -

36. Quiz

37. Injury

38. Care of Skeletal & Muscular System

39. Explain how exercise improves muscular strength and flexibility.
Individual cells grow wider, muscle becomes thicker
Exercise & stretching lengthens muscles which increases flexibility

40. Skeletal & Muscular Systems REVIEW

41. An adult has how many bones in their body? 100 300 206 210
Quiz
An adult has how many bones in their body?
100
300
206
210

42. Quiz
Some animals have skeletons on the outside of their bodies. This kind of skeleton is called an ______.
endoskeleton
internal skeleton
exoskeletons

43. Quiz
Connective tissues connect muscles to bone. These connective tissues are called _______?
Ligaments
Tendons
Exoskeleton
cartilage

44. Quiz Bones are attached to one another with tissue called ______.
ligaments
tendons
exoskeletons
cartilage

45. Quiz
A soft tissue found inside some of the bones of our skeletal system is where new blood cells are made. Name of this tissue is __________.
marrow
tendon
cartilage
ligament

46. Quiz The elbow is an example of which kind of joint? Hinge
Ball-and-socket
Pivot
fixed

47. Quiz The shoulder and upper arm are an example of which kind of joint?
Hinge
Ball-and-socket
Pivot
fixed

48. Quiz The bones of the skull are an example of which kind of joint?
ball& socket
hindge
pivot
fixed

49. Quiz
9. Name the 3 kinds of muscles found in human beings.

50. Quiz
10. How are involuntary and voluntary muscles different from each other?