San Diego has on average 146 sunny days and 117 partly cloudy days a year. The average annual precipitation is less than 12 inches (300 mm), resulting in a borderline arid climate.
Skeletal muscle makes up the bulk of muscles in the body. See also skeletal muscle groups. A whole skeletal muscle is considered an organ of the muscular system. Each organ or muscle consists of skeletal muscle tissue, connective tissue, nerve tissue, and blood or vascular tissue. Skeletal muscles vary considerably in size, shape, and arrangement of fibers.
Internal Organs Systems of a Human Body-I. 1  The skeletal systems provides framework and support to the body, protects internal organs and provides attachment points for muscles. 2  The muscular system moves and supports the body with the skeletal musculature and the heart muscles.uman body consists of billions of cells which are organized into tissues. Each tissue consists of similar types of cell. One or more types of tissue work together inside an organ, such as bone or a lung. Internal organs are linked together to form a system that has one or more major roles.