Feb 13, 2025 · The following sections provide a basic framework for the understanding of gross human muscular anatomy, with descriptions of the large muscle groups and their actions. The …

Jan 22, 2025 · Muscle, contractile tissue found in animals, the function of which is to produce motion. Muscle cells fuel their action by converting chemical energy in the form of adenosine …

Jan 22, 2025 · Muscle - Structure, Organization, Fibers: Smooth muscle contains spindle-shaped cells 50 to 250 μm in length by 5 to 10 μm in diameter. These cells possess a single, central …

Jan 22, 2025 · The principal types of muscles are striated muscle, in which the filaments are organized in transverse bands as in Figure 2; obliquely striated muscle, in which the filaments …

Jan 10, 2025 · skeletal muscle, in vertebrates, most common of the three types of muscle in the body. Skeletal muscles are attached to bones by tendons, and they produce all the …

Jan 9, 2025 · trapezius muscle, large, superficial muscle at the back of the neck and the upper part of the thorax, or chest. The right and left trapezius together form a trapezium, an irregular …

Feb 13, 2025 · Human muscle system - Shoulder Muscles, Joints, Movements: The shoulder is a complex ball-and-socket joint comprising the head of the humerus, the clavicle (collarbone), …

Jan 23, 2025 · face, front part of the head that, in vertebrates, houses the sense organs of vision and smell as well as the mouth and jaws. In humans it extends from the forehead to the chin. …

Feb 14, 2025 · Protein - Muscle, Structure, Function: The total amount of muscle proteins in mammals, including humans, exceeds that of any other protein. About 40 percent of the body …

Feb 10, 2025 · Human eye, specialized sense organ in humans that is capable of receiving visual images, which are relayed to the brain. The anatomy of the eye includes auxiliary structures, …