Circulatory and Respiratory
Across
- 2. The windpipe
- 5. The blood vessels that carry blood TO the heart
- 6. The part of the throat that connects the mouth and nose to the trachea
- 7. The blood vessels that carry blood AWAY from the heart
Down
- 1. The body system responsible for moving blood through the body
- 3. The body system responsible for breathing
- 4. The muscle beneath the lungs that causes them to expand and contract