Across
- 3. esophagus is A muscular tube that forces food inside the stomach.
- 5. circulatory system that transports oxygen, nutrients, hormones, immune cells, etc.
- 6. digestive system that breaks down waste into
- 7. lung is a pair of organs that produce oxygen to the body and remove carbon dioxide.
Down
- 1. An oval shape cavity in the skull responsible for breaking down food.
- 2. The respiratory system is responsible for gas exchange through breathing.
- 4. Take the deoxygenated blood from the muscles back to the heart.
- 5. aorta is The main artery that Carries blood away from the heart to the rest of the body.