2What muscles are you using right now? Make a list
3Exit Ticket What are the functions of the muscular system? Why do muscles work in pairs?
4Science Words to know Muscle Voluntary muscle Involuntary muscle Skeletal muscleSmooth muscleCardiac muscleTendon
5What do muscles do? Hold my organs in place Hold my bones together so that I can moveHelp me digest my foodHelp me breatheOpen and close my eyelidsPump my bloodAllow me to run and playHelp me to smile
6Functions of the muscular system Produce movementMaintain PostureStabilize jointsGenerate heat
7Moving the human body Muscles of the body Muscle - an organ that contracts and gets shorter- this provides the force to move your body parts.Muscles and bones work together, coordinated by the nervous systemMuscles of thebody
8Parts of the muscular system Muscles – over 600TendonsTendons attach muscles to bone helping your body move.Feel your tendon right above your heel in the back of your leg. This is the thickest tendon in your body – Achilles tendon.
9What are muscles made of? Stretchy, elastic muscle cellsMade of proteinsWhat else is stretchy like a muscle?
10Muscle ControlVoluntary muscles - muscles that you are able to controlCan you think of examples?Involuntary Muscles - you can not move them consciously. They just keep workingWhat muscles are both voluntary and involuntary? (I can think of 2)
11Where to find information Use textbook pg 51-53Striated means striped.Notes:Appearance, voluntary/involuntary, where found, when it tires, etc
12Skeletal Cardiac Smooth Compare and Contrast Use textbook page 51-53 Use a WHOLE PAGEto make a Venn Diagram
14Types of Muscles - Skeletal Skeletal Muscles-muscles that move bonesAttached to bones by tendonsMost numerous in the bodyLook striped or striatedVoluntary musclesTire easilyQuick to react
15Types of Muscles - Smooth Muscles Smooth muscles - non-striatedInvoluntaryMove the internal organsContract and relax slowlyExample- small intestine, stomach, digestive system, bladder
16Types of Muscles - Cardiac Muscle Cardiac muscle - found only in the heartInvoluntaryStriations (stripes)Contracts about 70 times a minute every day of your life.Does not tireSlow to reactMedmovie : heart anatomy … then anterior heartbeat
17How Muscles Work Kidshealth.com Skeletal muscles – work in pairs - when one muscle contracts- another muscle relaxes muscles work in pairs - bbcMuscles always PULL - never pushMuscles use glucose and oxygen to make energyProduce heat when they contractMuscles that are not exercised become smallerKidshealth.com
18Muscles and Bones Work Together Bones and muscles: the skeletal and muscular system United streaming 2 minBrainpopA review
19One way to keep muscles strong… Eat foods from the protein group every day. They are high in protein which helps to build strong muscles.What kinds of foods are high in protein?
20Exercise every day.What are some things you can do every day to help keep your muscular system healthy?
21Learning “Write”:If smooth muscles had to be consciously controlled what problems do you predict in day-to-day living? Write a story.Write an article for the Courier about preventing skeletal and muscular injuries. Focus on ways the athletes can reduce the risk of injuries. Use textbook p