Across
- 4. protect underlying tissues, help regulate body temp., house variety of sensory _____, & synthesize certain products
- 5. absorbs nutrients and oxygen. Breaks down food. Some produce _____
- 6. provides forces, maintain posture & main source of body heat
Down
- 1. removes waste from blood and maintains body salt and water concentrations. Stores and transports urine
- 2. communicate using electrochemical signals; nerve impluses
- 3. moves air in and out. Exchange gases between blood and air
