Sliding filament model of muscle contraction. A myofibril (also known as a muscle fibril) is a basic rod-like unit of a muscle cell. Muscles are composed of tubular cells called myocytes, known as muscle fibers in striated muscle, and these cells in turn contain many chains of myofibrils.
Sustainable management is a resource management technique that seeks to make any harvesting or consumption of natural resources as sustainable as possible. Thus, the main goal is to replenish any resources as fast as they are depleted.n order to accomplish its goal, sustainable management often looks at two different factors: the rate of consumption and the rate of replenishment. In many cases, the goal is to keep these two factors in equilibrium.
Communities are in a need of sustainable management, because if the community is to prosper, then the management must be sustainable.Forest and natural resources need to have sustainable management if they are to be able to be continually used by our generation and future generations.ommunities are in a need of sustainable management, because if the community is to prosper, then the management must be sustainable.