Across
- 1. The fluid that transports oxygen, nutrients, and wastes throughout the body
- 3. An organ that processes harmful substances and produces urea from protein waste
- 5. Tiny blood vessels where materials are exchanged between blood and body cells
- 7. Blood cells that carry oxygen throughout the body
- 8. Tubes that carry urine from the kidneys to the bladder
- 9. Blood vessels that carry blood away from the heart
- 10. Blood cells that help protect the body from infections
Down
- 1. A muscular organ that stores urine until it leaves the body
- 2. Organs that filter the blood and remove wastes to produce urine
- 4. Blood vessels that carry blood toward the heart
- 6. The muscular organ that pumps blood throughout the body
- 8. Liquid waste made by the kidneys
