Body Systems

2. System Enables breathing, exchanging oxygen and carbon dioxide between the body and the environment.
5. System A network of vessels and nodes that helps maintain fluid balance and fights infections.
6. System Transports blood, oxygen, and nutrients throughout the body through a network of blood vessels.
8. System Produces hormones that regulate various bodily functions, including growth and metabolism.
10. System Includes the heart and blood vessels, pumping and circulating blood throughout the body.
12. System The skin, hair, and nails protect the body from external factors and help regulate temperature.
14. System Allows breathing, exchanging oxygen and carbon dioxide between the body and the environment.

1. System Responsible for sexual reproduction, producing and delivering reproductive cells.
3. System Defends the body against infections and diseases, consisting of cells, tissues, and organs.
4. System Allows movement by contracting and relaxing muscles, supporting posture and generating heat.
7. System Provides support, structure, and protection to the body, consisting of bones and joints.
9. System Removes waste and excess fluids from the body, regulating water and electrolyte balance.
11. System Processes and breaks down food, extracting nutrients and energy for the body's functions.
13. System Controls the body's responses to stimuli, allowing us to think, move, and feel sensations.
15. System Produces hormones that regulate various bodily functions, including growth and metabolism.