Yes - all keys on all mac portables in the past 10 years or so are individually removable.
There are very delicate plastic scissors hidden under the key caps.
Also - the scissors are not necessarily all oriented the same way. The return key may have two vertical scissors where an H key may have one horizontal scissors mechanism underneath. Also - the size of say a small arrow key may not be the same size as a function key at the top.
Large keys such as the space bar and the option keys have added metal supports and you may need a large amount of patience to get them back.
If you damage the very small delicate nubs - you will have broken that key and have to press the little rubber nubbin by hand until you can get a replacement. If you bend the metal rings that hold the scissors (or the actual switch) - the repair cost is much higher. Most lighted whole keyboards go for $65 to $300 plus labor.
Do your research before starting so you won't be that person with a plastic baggie of parts that are close but not identical waiting in line at the genius bar for help with a tedious repair. :-)
If you know the cost to replace and have a steady hand - dive in and go get those crumbs :-)