one kidney, and that's about it, you don't need your spleen or appendix though
Sure
The main function of the human body is the reproduction function. The human body like the body of any living creature has one purpose and one purpose only - the perpetuation of the specie. Nature, weather it is created or not, is based on a single law: Grow or Die.
Yes it can. For example people with kidney transplants only have one kidney.
No. The only organs you can live without is one kidney or a gull bladder. Everything else is pretty much needed in your body in order for it to function.
The main function (the only one) is to pump blood round the body.
its swells up in your mouth and grows down you body!
It doesn't just function with one body part, it functions with them all.
That is the definition of a function.
That's a normal function. It means that it passes the vertical line test. A function where there is only one y-value for each x-value and only one x-value for each y-value is called a one-to-one function. The inverse of a one-to-one function is also a function.many-to-one function. ~APEX
One function of the nervous system is to maintain the entire body.
Humans are extremely adaptable. Learning to function under adverse conditions is what has allowed the human race to flourish. We can live without a number of different body parts. For example we posses two kidneys, when one is sufficient. We only have one heart, and one liver though and we cannot live if we are missing those.
Two, but the body can function with one.