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Chapter 6.docx

7 Pages

Health Sciences
Course Code
HSCI 100
Nienkevan Houten

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Chapter 6HOMEOSTASISTHESKELETALANDMUSCULARSYSTEMBoth systems are involved with movement that allows us to respond to stimuli digestion of food return of blood to the heart and the moving air in and out of the lungBoth systems keeps us upright and protect body partsBones store and release calcium needed for muscle contraction blood clotting and nerve impulse conduction Muscle help maintain a constant body temperature FUNCTIONANDCHARACTERISTICSOFMUSCLESMuscles are excitableMuscles are contractibleMuscles are extensibleMuscles are elastic3typesofmuscles1SmoothInvoluntary muscle found around hollow organs and blood vesselsCant control its movement2CardiacInvoluntary muscle found in the heartBranched strong muscles3SkeletalVoluntary muscle that is attached to the skeletonWe have the control to move it or notSKELETALMUSCLESWORKINGINPAIRSActionSynergistic muscles muscles working in groups that work in sync and must contract at the same time
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