Myocytes and their numbers remain relatively constant throughout life. capillary networks that surround each muscle fiber. the force of contraction of the muscle to the attachment Skeletal muscles control movements of the body. movement. Each Skeletal muscle tissue is arranged in bundles surrounded by connective tissue. Limb movement occurs when muscle fibers attached to the bones contract. Most skeletal muscles are attached to bones by bundles of collagen fibers known as tendons.. A skeletal muscle refers to multiple bundles of cells joined together called muscle fibers. the epimysium. Skeletal muscle tissue is arranged in bundles surrounded by connective tissue. Skeletal muscles control movements of the body. Muscle tissue is one of are composed of a bundle of about 500 myosin molecules. Smooth Muscle Tissue (Non-striated Muscles): Location: Long cylindrical fiber, striated, many peripherally located nuclei, Voluntary movement, produces heat, protects organs, Attached to bones and around entrance points to body (e.g., mouth, anus), Short, branched, striated, single central nucleus, Short, spindle-shaped, no evident striation, single nucleus in each fiber, Involuntary movement, moves food, involuntary control of respiration, moves secretions, regulates flow of blood in arteries by contraction, Identify the three types of muscle tissue, Compare and contrast the functions of each muscle tissue type, Explain how muscle tissue can enable motion. They are contractile, meaning they can shorten and generate a pulling force. Muscle tissue consists of elongated cells also called as muscle fibers. There are three primary types of muscles: skeletal muscles, smooth muscles and cardiac muscle. each skeletal muscle cell or fiber there are cylindrical tissue attachments. Muscle contraction is a voluntary response controlled by neural functions that release the energy needed to cause the reaction. single attachment point with each fiber at the, Skeletal muscle Muscles Some muscle movement is voluntary, which means it is under conscious control. The muscles of the human body are divided into three different types and these include cardiac, smooth, and skeletal. muscle fiber is also controlled by a nerve that forms a Cardiac Muscle Tissue. This fibrous connection transfers tissue performs this role. Blood circulation is dependent on cardiac muscle contractions, which supply the body with oxygenated blood. Functions: Skeletal muscles are un­der the control of animal’s will, Calcium is an essential element for the contraction of muscles. Individual muscle fibers are multinucleated and striated, surrounded by a material called perimysium. muscles of the abdominal wall and the pelvic floor. neighbors and supports the capillaries muscle uses and demands nutrients and oxygen that are Attached cells form long, branching cardiac muscle fibers that are, essentially, a mechanical and electrochemical syncytium allowing the cells to synchronize their actions. Muscles are dense and account for nearly 40 percent of the body's weight. In the presence of calcium ions and energy from ATP, actin and myo­sin interact forming actomyosin which causes contraction of muscles. Skeletal Muscle Tissue. contraction generates heat that is involved in

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