How does the digestive system work with the respiratory systrem, muscular system, urinary system, and cardiovascular system work together to support cellular respiration and allow us to function need ! it is due tomorrow need really soon reply someone if you have any clue of the answer pleaase reply it is for my study guide need it for tomorrow someone plz respond soon really need can not finish and my teacher is really strict about being late or not having notes ready for this really really need time is going by fast and i need for this i needed the about 2 hours ago really need i am really tired need to sleep need a sentence or two for this or more a lot more i have googled it a bunch of times no good answer that i can understand really really really really really really really need pease someone me it is getting late and i need some like now if you can at all give me an answer someone this is really stressfull if you have done this before respnd asap really really need now