Sagot :
1. rib
- skeletal
6. skull
- skeletal
2. ureters
- urinary
7. heart
- circulatory
3. brain
- nervous
8. kidneys
- urinary
4. muscles
- muscular
9. Spinal cord
- nervous
5. mouth
- digestive
10. lungs
- respiratory
Answer:
- rib - S skeletal
- ureters - U urinary
- brain - N nervous
- muscles - M muscular
- mouth - D digestive
- skull - S skeletal
- heart - C circulatory
- kidneys - U urinary
- spinal cord - N nervous
- lungs - R respiratory
Explanation:
Inarrange ko na po in-order.
Hope it helps.