MCQOPTIONS
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| 1. |
Identify X and Y'X'Excretory SystemLungs'Y' |
| A. | X = Stomach Y = Circulatory System |
| B. | X = Bladder Y= Respiratory System |
| C. | X = Liver Y = Nervous System |
| D. | X = Esophagus Y = Digestive System |
| Answer» C. X = Liver Y = Nervous System | |