MICROANATOMY

Detailed explanation-1: -Each muscle is made up of groups of muscle fibers called fascicles surrounded by a connective tissue layer called perimysium.

Detailed explanation-2: -There are three layers of connective tissue: epimysium, perimysium, and endomysium. Skeletal muscle fibers are organized into groups called fascicles.

Detailed explanation-3: -This connective tissue covering is known as the endomysium (endon-greek for within). The collagen fibres of these connective tissue wrappings merge with the tendons, aponeuroses, or periosteum-the dense connective tissue structures that link the muscle to bone, on which the muscle pulls.

Detailed explanation-4: -Muscles require a large amount of energy to function. This is provided primarily by mitochondria in cells that consume a lot of energy. We therefore find more of these powerhouses of the cell in muscle cells than in other cell types with a lower metabolic rate.