The importance of the lungs in the circulatory system is that they are responsible for
1 answer:
Gas exchange. The oxygen we breathe in is mostly changed to carbon dioxide to be breathed out
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C) an organ
Its made up of tissues and is part of the nervous system
Answer:
1. Organisms
2. Populations
3. Communities
4. Ecosystems
5. Biomes
Explanation:
Plates collide causing rock to push upward together