Answer:
Oxygen is moved around the body of an echinoderm in its C. water vascular system.
Potential energy
the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors.
Im not really sure , but it might have something to do with polar chemical compound <span />
Answer: I believe it is C: delivers nutrients to cells, removes cellular waste, and fights infection.
Forgive me if im wrong but its what I choose on the exam
