What does interdependent mean in relation to the body?

A. The body systems are efficient alone, but working
together, makes it harder to keep the body going.

B. The body systems are inefficient, and working
together makes it harder to keep the body going.

C. The body systems all need each other and work
together to keep the body going.

D. The body systems do not need each other but choose
to work together to keep the body going.