Warm Up

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Warm Up

• Study for Skeletal System Quiz (SILENTLY)
• 5 Functions of the Skeletal System
• Types of Joints (how they move, where they are)
• Layers of Bone
• Axial Skeleton
• Appendicular Skeleton

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Quiz

• 12 Minutes to complete
• When finished, read silently

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Muscular System
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Muscular System

• You have over 600 muscles in your body!

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Vocabulary

• Muscle An organ made of muscle tissue, which
  moves a particular bone, part, or substance of
  the body
• Contract to make smaller, decrease. When you
  flex a muscle you are contracting it.
• Expand to make larger, increase. When you relax
  a muscle you are expanding it
• Homeostasis a condition needed for good health
  in which an organisms keeps a relatively stable
  internal environment
• Peristalsis the wavelike contraction of stomach
  muscles which help to churn up food

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Muscular System Functions

1. Movement
2. Maintaining Body Temperature
3. Posture

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Movement

• Muscles are connected to bones by tendons
• Muscles provide the pull that bones need to move
• Muscles contract, cause movement at joints

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Maintaining Body Temperature

• Normal Human Body temp 98.6F
• It stays this way because of your muscles
• When muscles contract, they release heat
• Shiver quick muscle
• contractions to warm you up

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Posture

• Muscle constantly contract and relax or make
  small changes to hold you up right
• The muscles of the body also make joints strong

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3 Types of Muscles1.Skeletal Muscle

• Attached to your bones

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2. Smooth Muscles

• Inside some organs like the stomach

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3. Cardiac Muscle

• Your heart

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Types of Muscles

• Voluntary Controlled directly by your thoughts
• Skeletal Muscle muscle attached to bones by
  tendons
• Involuntary Move without you thinking about it
• Smooth Muscle muscles of internal organs
  (stomach)
• Cardiac Muscle muscle that makes up your heart

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Voluntary Involuntary Muscle Lab

• Worksheet pg. 28
• Work with person sitting next to you
• Instead of mirror, you have a partner

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Muscular System Packet

• Begin Work to Complete Packet

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How do muscles grow?

• 27B

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Exit Ticket no notes

• Your stomach is made of
• Cardiac Muscle
• Skeletal Muscle
• Smooth Muscle
• Voluntary Muscle
• Which is not a function of the muscular system?
• Posture
• Movement
• Protection
• Maintaining Body Temperature.
• 3. What is the difference between Voluntary and
  Involuntary Muscle?

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Warm Up

• Put last nights homework on desk to be graded
  (39 and 40 of packet)
• Answer on notebook paper to turn in. You do not
  have to write questions.
• Why do you think it is important that the heart
  is an involuntary muscle?
• 2. Why do you think it is important that the
  muscles in our legs are voluntary muscles?

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Yesterdays Exit

• Your stomach is made of
• Cardiac Muscle
• Skeletal Muscle
• Smooth Muscle
• Voluntary Muscle
• Which is not a function of the muscular system?
• Posture
• Movement
• Protection
• Maintaining Body Temperature.
• 3. What is the difference between Voluntary and
  Involuntary Muscle?
• Voluntary you control and decide when it moves
• Involuntary Automatic, your body does it
  without you telling it to

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Video Review

• http//www.makemegenius.com/video_play.php?id101

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Muscles of Digestion

• Chewing Food Voluntary
• Swallowing Food Voluntary
• Food Traveling Through Intestines Involuntary
• Peristalsis Involuntary
• So is digestion voluntary, involuntary or both?
• BOTH

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Todays Agenda

• 1. Finish Packet Started Yesterday
• 2. Read 27B in textbook. Explain why exercise
  helps muscles get bigger.
• 3. Complete Types of Muscle Charts (use 25B for
  help)
• 4. How Many Muscles Does it Take to Smile?
  Article
• 5. Your Bones and Muscles Article

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Exit

• The muscular system is made of both Voluntary and
  Involuntary muscles, which type aid in digestion?
  
• Both
• Neither
• Voluntary
• Involuntary
• 2. When you are cold, your body shivers. Explain
  how this is an example of a function of the
  Muscular System.

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Warm Up put packet on desk

1. Where in your body do you have cardiac muscles?
2. True or False shivering is an example of your
   muscles performing one of their main functions
3. Why are skeletal muscles considered voluntary
   muscles?

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Warm Up Review

• Where in your body do you have cardiac muscles?
• Heart. The word cardiac means heart!
• 2. True or False shivering is an example of
  your muscles performing one of their main
  functions
• True. One function of the muscular system is
  maintaining body temperature. When youre cold
  your body shivers to try to warm you up
• 3. Why are skeletal muscles considered voluntary
  muscles?
• They are considered voluntary because you must
  tell them to move, they do not move automatically

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Quiz Return

• Blood Cells
• Protect, Skull, ribs and spine
• Outside layer
• Protection, movement, support, mineral storage,
  blood cell production
• Protect keep insides safe
• Movement help body move
• Support hold you up
• Blood cell production bone marrow makes blood
• Mineral storage calcium is stored in bones

• 6. Ball and Socket
• 7. Immovable, Skull
• 8. Both are made of bones but axial protects and
  Appendicular helps you move
• 9. Sliding or gliding
• 10. Ball and socket

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Packet Review

• Correct wrong answers!
• 3 functions of muscular system
• Movement
• Maintaining Body Temperature
• Posture
• Video review

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Agenda

• Types of Muscle Charts (use 25B for help)
• Level of Conscious Control voluntary or
  involuntary
• 2. How Many Muscles Does it Take to Smile?
  Article
• 3. Flash Cards for CFA 4
• 4. Magic School Bus ?

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• Types of Muscle Charts (use 25B for help)
• Level of Conscious Control voluntary or
  involuntary
• 2. How Many Muscles Does it Take to Smile?
  Article
• 3. Your bones and muscles article
• 3. Flash Cards for CFA 4