BIOL 235 Chapter 10 Q&A Latest Update

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BIOL 235 Chapter 10 | Q&A Latest 2025/2026 | 100% PASS Describe the structure and function of skeletal muscle tissue - Answer Composed of muscle fibre cells (also contain connective tissue, blood vessels and nerves), have striations (alternating light/dark protein bands); usually voluntary (consciously controlled by somatic nervous system) but can also be involuntary (diaphragm and muscles that maintain posture) Describe the structure and function of cardiac muscle tissue - Answer Striated muscle tissue found only in the heart (forms the walls); contraction and relaxation action is involuntary (the heart has autorhythmicity that keeps its own rhythm) Describe structure and function of smooth muscle tissue - Answer Nonstriated muscle tissue located in walls of hollow internal structures (blood vessels, airways, organs) and on the skin (attached to hair follicles); action is usually involuntary (has some autorhythmicity in the GI tract) What are the 4 main functions of muscular tissue? - Answer -1. Producing body movements (need skeletal muscles, bones, joints to move the whole body and localized parts of it) 2. Stabilizing body positions (skeletal muscles maintain posture and stabilize joints)