D. It performs all functions for the organism.
This is the correct answer! Hope that helps!
Carbon Dioxide or CO2 is the waste product of the Krebs Cycle
Answer:
The answer is C
Explanation:
S only travels in solid's while P travels in both, the outer core is a liquid there for it would be C.
Answer: circulatory is when ur blood circulates and respiratory is the system we use to breath if I remember correctly
Explanation: