27.5k views
2 votes
Why is the respiratory system the best body system and why do we need it over others? (for debate purposes)​

User ILikeTacos
by
5.3k points

1 Answer

6 votes
i think the circulatory system is the best body system because we need the heart to stay alive, many people live with only one lung. but we need the respiratory system to let oxygen in, and let carbon dioxide out.
User Thexfactor
by
5.0k points