Human Body System
Across
- 3. A pair of organs in the respiratory system located within the rib cage that takes in oxygen and passes it into the blood.
- 5. A body system that allows an organism to breathe. Its organs work together to get oxygen and remove carbon dioxide.
- 6. A tissue that connects different bones. It helps the skeletal system maintain its structure and allows different parts of the body to move in limited directions.
- 8. A human body system that allows movement. One of its interactions is with the digestive system, allowing organs to shrink and push food through.
- 9. A body system that uses hormones to regulate the body’s activities. It is made up of different glands, such as the hypothalamus, thyroid, and thymus.
- 11. The ________ carries oxygenated blood from the heart to different tissues.
- 13. A kind of blood cell that fights off invaders. It’s part of the immune system but is distributed throughout the body by the circulatory system.
- 14. The _____ collects deoxygenated blood from different tissues to the heart.
Down
- 1. An organ in the digestive system that takes in digested food from the stomach. There are two types of it; the small and the large.
- 2. An organ in the brain that helps the human body maintain homeostasis. It controls all of the other body systems.
- 4. It is part of the digestive system. It contains enzymes and acids that digest food before passing it down to the organism’s intestines.
- 7. The __________ system is the framework of the human body. It is formed by bones and tissues that connect them.
- 10. Cable-like fibers that directly connect the brain with the rest of the human body. They help you sense things and move.
- 12. A kind of blood cell that contains a protein called hemoglobin. It helps carry oxygen from the lungs to the rest of the organism’s body.