Easy.: Circulatory system is essential to move nutrients and oxygen to cells and to remove waste. Having a transport system allows cells to specialize. If there were no circulation every cell would have to perform many more functions independently.
Answered 11/6/2020
3.5k views
2 doctors weighed in across 2 answers
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question