PPT-How does a muscle work? Remember, muscles can only contract so they can only

pull not push And it needs certain parts to do this Microscopic anatomy of muscle The bits and pieces Sarcolemma plasma membrane of a muscle cell Myofibrils long ribbonlike organelles that take up the majority of the space in a muscle cell. Objective. : To learn the structure and function of the Muscular System. Bell Work. : . Put the terms in the correct order from most simple to most complex: . SKELETAL MUSCLE. STRIATED MUSCLE CELL. MUSCULAR SYSTEM. Objective. : . To learn the structure and function of the Muscular System. Bell Work. : . Muscles need lots of energy to complete their job. Which organelle do you think is most abundant inside muscle cells?. The heart is odd one out. The heart is made from cardiac muscle. The bicep muscle (in the arm), the calf muscles ( in the legs) and the diaphragm (in the chest) are types of skeletal muscles.. Investigating muscle strength . As it contracts it . -causes movement. -maintains posture. -stabilizes joints. -and generates heat. . Muscle Types. Skeletal muscle (voluntary). muscle attached to the skeleton. cells are long, striated, and multinucleate. Skeletal – striated & voluntary. Smooth – involuntary. Cardiac - heart. The word “striated” means striped. . Muscles and Muscle Fiber. Structure.     . Muscles are composed of many . Muscular system. 2. Classification of Skeletal Muscles. 3. Muscles can be classified by action. Agonist. . (prime mover). Primary responsible for the movement. Antagonist. Opposes the agonists. Synergist. Muscles of Facial Expression. Muscles of Facial Expression. The muscles that promote facial expression lie just deep to the skin.. . Muscles of Facial Expression. The muscles that promote facial expression lie just deep to the skin.. perfomance. enhancing drugs?. 2. Would . you consider supplements such as . Creatine. to be a performance enhancing drug? Why or why not?. The Muscular System. A&P Fall 2016. I. Overview of Muscle Tissues. perfomance. enhancing drugs?. 2. Would . you consider supplements such as . Creatine. to be a performance enhancing drug? Why or why not?. The Muscular System. A&P Fall 2016. I. Overview of Muscle Tissues. Energy Sources for Contraction. ATP is the supplied energy for muscles. Can only supply enough for a short period of time. ATP is generated from . Creatine. Phosphate. Contains high energy phosphate bonds . Produce movement. Maintain posture. Stabilize joints. Generate heat. The Muscular System. Muscles are responsible for all types of body movement. Three basic muscle types are found in the body. Skeletal muscle. WARM-UP. Complete the BONES QUIZ. BONUS QUESTION! (WORTH ONE POINT). NAME ONE TYPE OF . MOVABLE JOINT. MUSCLES. A MUSCLE IS AN . . ORGAN THAT CAN RELAX AND CONTRACT. PROVIDES THE FORCE TO MOVE YOUR BODY PARTS. The tongue is the strongest muscle in the body (relative to size). There are about 640 skeletal muscles in the human body. It takes twice as long to lose new muscle if you stop working out than it did to gain it.. Deltoid. The muscle on the front of your upper arm. Biceps. Your chest muscles. Pectoralis. Major. Your stomach muscles (Abs). Rectus . Abdominus. The muscles on the side of your “core” – or “next to your abs”.