human

3. - A hard, dense tissue that forms the skeletal system and supports the body
5. - Organs responsible for respiration, taking in oxygen and releasing carbon dioxide
7. - A muscular sac that breaks down food through mechanical and chemical digestion
8. - The body's largest organ, serving as a protective barrier and regulating temperature
10. - An organ that filters waste products from the blood and produces urine
12. - A long tube that absorbs nutrients and water from digested food
13. - A tissue that contracts and relaxes to produce movement

1. - An organ that produces insulin and other digestive enzymes
2. - A muscular organ that pumps blood throughout the body
3. - The body's control center for functions such as movement, sensation, and thought
4. - An organ that stores urine until it is eliminated from the body
6. - A muscular tube that connects the mouth and nose to the digestive and respiratory systems
8. - An organ that filters blood and plays a role in immune function
9. - An organ that detoxifies chemicals and metabolizes drugs, produces bile for digestion
11. - A bundle of fibers that transmits signals between the brain and body