contestada

Which of the following is maintained by the systems of the body?

carbon dioxide levels
oxygen levels
None of the answer choices are correct.
homeostasis

Respuesta :

erika18marie
I believe the correct answer is homeostasis. 
abudi
oxygen is just inhaled not maintained
homeostasis itself is a process of maintaining
it is carbondioxide as it is exhaled in specific levels ( levels produced in body )

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