The Muscular System

By: Anthony Giunta, Omar Tokhie

The Muscular System

• http://m.youtube.com/watch?v=C6u0u_59UDc

FunctionsThe muscular system has many functions that help us in every day life. The muscular system controls motor skills

and fine motor skills. It controls movement, maintain posture, joint stability, heat production, communication,

and the movement of organs such as the small and large intestines. When you throw up the diaphragm and smooth

muscles around the stomach contract. An unhealthy behavior for the muscle system would be spasms and

twitches. You can hurt your muscles while working out and in sports. A common injury while working out and playing

sports would be pulling a muscle.

SteroidsOne drug that effect the

muscle system is steroids. Steroids are legal when

prescribed for rehabilitation of the muscles. This drug

helps increase muscle mass and is commonly illegally

used amongst athletes and professional weight lifters.

Muscle Types

There are three different types of muscles. Smooth, cardiac, and skeletal. Smooth muscles are

involuntary and work without you trying. Smooth muscles help you digest food and vomit. They are

found inside the walls of the intestines, stomach, and bladder.

Smooth MusclesSmooth muscles are involuntary and work without you trying. Smooth muscles help you digest food and vomit. They are found inside the walls of the

intestines, stomach, and bladder.

Cardiac MusclesCardiac muscles are found in the heart. These muscles are

involuntary and keep your heart pumping.the muscles squeeze your heart pumps

blood throughout your body.

Skeletal MusclesThese muscles help

movement.they apply pressure to bones and joints

to move limbs and other appendages. These are

striated muscles. They are arranged in a striped

formation.

Main MusclesSome important muscles that

are used for locomotion, communication, and organs

are the Gluteus Maximus, Hamstring, Calf muscles, tongue, frontails, nasalis

muscles, tricep brachii and biceps brachii.

Vocabulary Terms• Striated: To mark with striae; furrow; stripe; streak.

• Tendon: Cordlike or band like mass of white fibrous connective tissue that connects a muscle to a bone

• Involuntary Muscles: the brain and body tell these muscles what to do without you thinking about it

Facts• The hardest working muscle is in the eye.

• There are muscles in the root of your hair that gives you goosebumps.

• You have over 30 facial muscles which create looks like surprise, happiness, sadness, and frowning.

• The largest muscle in your body is the gluteus maximus.

• Your muscle cells produce enough heat every day to boil almost 2 pints of water for an hour.

Work Cited• http://quizlet.com/458392/muscular-system-vocabulary-flash-cards/

• http://quizlet.com/9380652/muscular-system-vocabulary-flash-cards/

• http://www.innerbody.com/anatomy/muscular/arm-hand

• http://en.wikipedia.org/wiki/Muscular_system

• http://www.livescience.com/26854-muscular-system-facts-functions-diseases.html

• http://ajscience.webs.com/interestingfacts.htm

• http://www.res.rcs.k12.tn.us/teachers/byrdme/musclefacts.html

• http://www2.asd.wednet.edu/pioneer/barnard/zpastprojects/00_01/bs/team05/muscular/sld007.htm