ANATOMY

Detailed explanation-1: -The muscular system is composed of specialized cells called muscle fibers. Their predominant function is contractibility. Muscles, attached to bones or internal organs and blood vessels, are responsible for movement. Nearly all movement in the body is the result of muscle contraction.

Detailed explanation-2: -The muscular system’s main function is to allow movement. When muscles contract, they contribute to gross and fine movement. Gross movement refers to large, coordinated motions and includes: walking.

Detailed explanation-3: -What Are Muscles and What Do They Do? Muscles pull on the joints, allowing us to move. They also help the body do such things as chewing food and then moving it through the digestive system. Even when we sit perfectly still, muscles throughout the body are constantly moving.

Detailed explanation-4: -The muscular system consists of various types of muscle that each play a crucial role in the function of the body. Muscles allow a person to move, speak, and chew.

Detailed explanation-5: -Four functions of muscle contraction are movement, posture, joint stability, and heat production. Three types of muscle are skeletal, smooth, and cardiac.