Across
- 5. system of organs functioning in respiration
- 6. the muscles of the body collectively
- 9. are made up of the brain and spinal cord
- 10. system of blood
Down
- 1. framework of the body
- 2. by the skin, hair, nails, and associated glands
- 3. of glands that produce endocrine secretions
- 4. complex of male or female gonads
- 7. system by which the body ingest food
- 8. system the excrete waste from the body