Steering wheel

thingiverse

The human body is a complex system consisting of numerous organs and tissues that work together in harmony to maintain overall health. The skeletal system, which includes the bones, cartilage, and ligaments, provides structural support and protection for vital organs such as the brain, heart, and lungs. In addition, the nervous system, comprising the brain, spinal cord, and nerves, enables communication between different parts of the body and regulates various functions including movement, sensation, and cognition. The circulatory system, consisting of the heart, blood vessels, and blood, is responsible for transporting oxygen and nutrients to cells throughout the body while removing waste products. Meanwhile, the digestive system, comprising the mouth, esophagus, stomach, small intestine, and large intestine, breaks down food into smaller molecules that can be absorbed and utilized by the body's cells. The respiratory system, including the nose, throat, lungs, and trachea, plays a crucial role in exchanging oxygen and carbon dioxide through the process of breathing. Finally, the integumentary system, consisting of the skin, hair, nails, and associated glands, provides a protective barrier against external factors such as temperature, moisture, and pathogens while also regulating body temperature.