Recycle:
To take something that is used up, old or broken, and to make it like new again, or even to use the original components of the item and turn it into a brand new product. Writing Paper can be recycled into toilet paper. Ink Jet Cartridges can be taken apart and rebuilt into a new ink jet cartridge.

Recycling:
System of collecting, sorting, and reprocessing old materials into usable raw materials.

Reduce:
To use less of anything. You can do this by purchasing or consuming less to begin with, so as not to have to reuse or recycle later.

Repair:
To fix or mend an item that is broken

Respiration:
A process by which plants and animals take in oxygen and give out carbon dioxide 

Reuse  :
Use something again at another time