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Vocabulary

The Muscular System Write Everything in RED http://www.brainpop.com/health/bodysystems/muscles/preview.weml. Vocabulary. Muscle - An organ that contracts which forces your body parts to move Smooth Muscle - Muscle in sheets with one layer of muscle behind the other

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Vocabulary

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  1. The Muscular SystemWrite Everything in REDhttp://www.brainpop.com/health/bodysystems/muscles/preview.weml

  2. Vocabulary • Muscle- An organ that contracts which forces your body parts to move • Smooth Muscle- Muscle in sheets with one layer of muscle behind the other • Cardiac Muscle- The heart muscle that contracts to pump blood • Skeletal Muscle- Muscle that show how strong you are • Involuntary Muscle- Muscles that move without you thinking about it • Voluntary Muscle- Muscles that you can control what they do • Tendon- Holds the muscle to the bone • Cramp- A sudden and involuntary contraction of 1 or muscles • Exercise- Being active which can help build strong muscles • Protein- Builds and maintains muscles

  3. Quiet as a Mouse Activity • How long can you sit still without moving a muscle? • I’m going to time you for 2 minutes and see who can not move a muscle. • The person who doesn’t move a muscle the longest wins 25 tickets! • Goooooood Luck!

  4. Science Words • Muscle • Voluntary muscle • Involuntary muscle • Skeletal muscle • Tendon • Smooth muscle • Cardiac muscle • Click here to watch a video on the muscular system http://kidshealth.org/PageManager.jsp?lic=175&dn=GirlsHealthDotGov&article_set=59302&cat_id=20607

  5. Moving the human body • Muscle-an organ that contracts and gets shorter- this provides the force to move your body parts. • There are more than 600 muscles in your body. • http://kidshealth.org/kid/interactive/muscles_it.html

  6. Four Functions of the Muscular System • Produce movement • Maintain body posture and position • Maintain body temperature • Support soft tissue

  7. Muscle Control • Voluntary muscles- muscles that you are able to control • Examples are leg and arm muscles • Involuntary Muscles- you can not move them consciously. They just keep working • Examples- heart

  8. Helping each other out • Two other systems work with the muscular system in order to make it work properly: • The nervous systems helps control voluntary muscle movement because it tells the muscles what to do. • The skeletal system and muscular system work together when the muscle pulls on the bone in order to move. • Basically, the brain tells the muscle to move, the muscle contracts, pulls on the bone and the bone moves.

  9. Muscles can… Contract- Muscle tissue responds to a stimulus by contracting, or shortening its length. Extend- after muscles has contracted or shortened they go back to their regular length, or relax Muscles do this in pairs…when one extends the other contracts. An example of a muscle pair is your bicep and tricep. http://www.childrensuniversity.manchester.ac.uk/media/services/thechildrensuniversityofmanchester/flash/exercise_3_muscles.swf

  10. How Muscles Work • Skeletal muscles-when one muscles contracts- another muscle relaxes • Muscles always pull- never pushes • Muscles use glucose • Produce thermal energy when they contract • Muscles that are not exercised become smaller

  11. Types of Muscles-skeletal • Skeletal Muscles-muscles that move bones • Attached to bones by tendons • Most numerous in the body • Look striped or striated • Voluntary muscles

  12. Types of Muscles-Smooth Muscles • Smooth muscles- nonstriated • Involuntary • Move the internal organs • Contract and relax slowly • Example- small intestine

  13. Types of Muscles-Cardiac Muscle • Cardiac muscle-found only in the heart • Involuntary • Striations • Contracts about 70 times a minute every day of your life.

  14. Take the Quiz! • http://kidshealth.org/kid/htbw/_bfs_MSquizsource.html

  15. Diseases that Effect the Muscles • Cerebral Palsy http://www.brainpop.com/health/diseasesinjuriesandconditions/cerebralpalsy/ • Muscular Dystrophy http://www.brainpop.com/health/diseasesinjuriesandconditions/duchennemusculardystrophy/ • Now complete a Venn Diagram comparing the two diseases

  16. Make a Muscle Activity • Construction paper, toilet paper/paper towel tubes, long red balloon, paper clip, rubber band • Make a long humerus bone first • Make two more smaller bones for the radius and ulna bones. (label all bones) • Straighten out a paper clip and punch it through the ends of the bones to connect them, like a joint. • Attach the forearm bones with the rubber band. • Blow up two balloons slightly and press the air to the center of the balloon. Leave lots of unused balloon on either end. • Tie each of the ends of the balloon to the bone to form a tricep and a bicep.

  17. Pictures

  18. Those Aching Muscles Activity • Human Body book…p. 27 with a partner. • Need: string, stopwatch, rock

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