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The muscular system is an organ system consisting of skeletal, smooth, and cardiac muscle. It permits movement of the body, maintains posture, and circulates blood throughout the body. [ 1 ] The muscular systems in vertebrates are controlled through the nervous system although some muscles (such as the cardiac muscle ) can be completely autonomous.
The muscular system Chapter Wikipedia article References and notes The Muscular system: Introduction-- Interactions of skeletal muscles, their fascicle arragement and their lever systems-- Naming skeletal muscles-- Axial muscles of the head, neck and back: Facial muscles Muscles of mastication
The human musculoskeletal system (also known as the human locomotor system, and previously the activity system) is an organ system that gives humans the ability to move using their muscular and skeletal systems. The musculoskeletal system provides form, support, stability, and movement to the body.
Muscle cells are grouped into muscle fascicles by enveloping perimysium connective tissue. [1] Fascicles are bundled together by epimysium connective tissue. [1] Muscle fascicles typically only contain one type of muscle cell (either type I fibres or type II fibres), but can contain a mixture of both types.
Interleukin 6 (IL-6) is the most studied myokine, other muscle contraction-induced myokines include BDNF, FGF21, and SPARC. [64] Muscle also functions to produce body heat. Muscle contraction is responsible for producing 85% of the body's heat. [65] This heat produced is as a by-product of muscular activity, and is mostly wasted.
6 1 interspinales colli 1-6 Torso, Back, right/left spinous process: spinous process: posterior rami of spinal nerves: extends, flexes, and rotates vertebral column 12 1 intertransversarii, anterior colli 1-7 Torso, Back, right/left transverse process: transverse process above posterior rami of spinal nerves: laterally flexes trunk: 14 1
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The immune system consists of the white blood cells, the thymus, lymph nodes and lymph channels, which are also part of the lymphatic system. The immune system provides a mechanism for the body to distinguish its own cells and tissues from outside cells and substances and to neutralize or destroy the latter by using specialized proteins such as ...