I dont know either but it’s probably SOS or some rando tryna hit on you
Over the counter drugs are drugs you can get without a "doctor's note", however you do have to prove your age to get these drugs. A prescription is when a doctor gives you a specific drug for a specific condition.
The correct answer is C without a doubt
Answer: To maintain Cellular respiration
Explanation:
The body must take in oxygen so that the blood cells can absorb it. This allows the blood cell to release CO2. Therefore, Inhaling oxygen is necessity for maintaining cellular respiration.