Across
- 3. the movement of blood through the heart and blood vessels
- 7. colored part of the eye that controls the size of the pupil
- 8. a blood vessel that carries blood from the heart to the body
- 9. the organ of smell and entrance to the respiratory tract
- 10. the organ that is the center of the nervous system
Down
- 1. any of the terminal members of the hand
- 2. the process by which the body breaks down food
- 4. one of the digits of the foot
- 5. the point of connection between two bones
- 6. the structure providing a frame for the body of an animal