Question

True or False: ALL organ systems work together or are interconnected!

Answer 1

False
because all organ don't work together
may be

Answer 2

It is true.

System works in a harmony. For example when we eat something our food cavity starts working which gives a signal to our digestive tract that there is food coming down way. This signal tells stomach to prepare itself for it function and so on.

So it can be said that, organ system works in a harmony and are dependent on other other to perform its function.