Answer:
B
Explanation:
It's the only anwse that makes sense
Simple 6L of air times the .21L of O2 = 1.26
Answer:
choice 3
Explanation:
homeostasis is the ability of an organism to remain in balance so for two systems two show homeostasis pick the choice that shows two separate systems working together for a common goal in this case breathing.
What even is this question
