â€¢ Be able to define the following terms: axial skeleton, appendicular skeleton, sarcoplasmic reticulum, acetylcholine, motor unit,...

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Biology

â€¢ Be able to define the following terms: axial skeleton,appendicular skeleton, sarcoplasmic reticulum, acetylcholine, motorunit, locomotion, peristalsis
â€¢ Know the structure and components of muscle fibers(myofibrils, sarcomeres, actin, myosin)
â€¢ From Figure 39.4 â€“ Know how myosin and actin interact toproduce muscle contractions, including how and where myosin headsattach to actin

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1 Terms Axial skeleton axial skeleton occupies the bodys main axis of the body It includes four structure skull in the head vertebral column in the neck and trunk sternum and ribs Appendicular skeleton appendicular skeleton is placed inside axes It comprises pectoral and pelvic girdles and limb bones Sarcoplasmic reticulum striated muscle fibre bounded by sarcolemma that is plasma membrane and contain in its sarcoplasmcytoplasm having welldeveloped endoplasmic reticulum that is specialized for calcium storage and is called sarcoplasmic reticulum Acetylcholine acetylcholine is a neurotransmitter which generate an action potential See Answer

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