The respiratory system cannot deliver oxygen to the cells of the body, nor can it remove carbon dioxide, without which two body systems?
muscular and nervous digestive and muscular cardiovascular and nervous cardiovascular and muscular
Question: The respiratory system cannot deliver oxygen to the cells of the body, nor can it remove carbon dioxide, without which two body systems?
A. muscular and nervous
B. digestive and muscular
C. cardiovascular and nervous
D. cardiovascular and muscular
Answer: