1. Are there any external resources used?
Answer: Yes
2. Is the intent to mimic the lost part directly?
Answer: No
3. Can the repurposed components be controlled?
Answer: Yes
4. Does this adaptation need any external energy resources for it to occur?
Answer: No
3) Wheelchairs
Humans have unfortunately been prone to getting their legs or spinal cord injured or diseased. This can cause the inability to use their legs, which can make life very hard for that human. Instead of having to drag their legs behind them as they crawl on their hands the human can be fitted for a wheelchair. There are various forms of wheelchairs that can fit various humans. One example is the non-powered wheelchair which is a leather/vinyl seat with arm rests and two large wheels on the side to roll. The individual in the seat has the option of pushing himself/herself by turning the wheels or having someone push them from handlebars sticking out the back. Another example is the powered wheelchair that has a plush, cushioned seat with cushioned armrests and a battery operated control system. The user gets to use joystick controls on the armrests to navigate around.
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