Muscular System. Frontals Trapezius Deltoid Pectoral Triceps Biceps Abdominals Latissimus Dorsi Sartorius Quadriceps Gluteus Maximus Hamstring Gastrocnemius

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  • Muscular System

  • FrontalsTrapezius Trapezius DeltoidDeltoidPectoral TricepsTricepsBicepsBicepsAbdominalsLatissimus DorsiSartoriusQuadricepsGluteus MaximusHamstringGastrocnemius Gastrocnemius Achilles Tendon

  • VocabularyMuscular System: the group of tough tissues that make you body parts move.Contract: shortening of the muscleExtend: lengthening of the muscle

  • How do muscles work?You have over 600 muscles in your bodyThey all work in pairsWhen one contracts the other extendsDescribe what happens when you bend and straighten your armYour bicep pulls on your radiusYour triceps extendYour triceps pull on your ulna Your bicep extend

  • Diagram of a MuscleBoneTendonMuscle BodyMuscle Cell BundleBlood Vessel Muscle Cell

  • Kinds of MuscleSmoothCan be found in organsStomachIntestines Can NOT be controlled voluntarily. You dont have to think about moving your food through your digestive tract after you swallow

  • Kinds of MuscleCardiac Only found in one place in the bodyTHE HEARTControlled by the brainSome people after years of training are able to raise and lower their heart rate voluntarily

  • Kinds of MuscleSkeletalAttached to boneAllow you to move your bodySkeletal muscles makeup about 40% of your body weight

  • Problems with the Muscular System

  • Problems with the Muscular System