Question
Classify the following terms into cells, tissues and organs and write in the tabular column given below. $RBC, WBC,$ Nerve cell, blood, muscle, blood vessels, brain, heart, hand
| Cell | Tissue | Organ |
| .............. | .............. | .............. |
| .............. | .............. | .............. |
| .............. | .............. | .............. |