5th Human Body Systems

The skeletal system is the framework of bones that supports the body and protects internal organs. It is linked by many types of joints.

The primary role of red blood cells in the circulatory system is to carry oxygen to the body's cells.

The brain is the main organ of the nervous system.

The respiratory system contains the bronchi, which are the two large passageways that lead from the trachea to the lungs.

The main organs of the circulatory system include arteries, veins, and capillaries.

The muscular system allows for movement of the body and helps maintain posture.

The heart pumps blood throughout the body, supplying oxygen and nutrients to tissues.

The lungs are responsible for exchanging oxygen and carbon dioxide during breathing.

The digestive system is responsible for breaking down food, absorbing nutrients, and eliminating waste.

The main components of the nervous system are the brain, spinal cord, and nerves.