Do what you think is best for you
Answer:
Excess water and salts
Explanation:
The skin plays a role through the production of sweat and sweat glands. Sweating eliminates excess water and salts.
oxygen has ozone and carbon dioxide in it
Answer:
Explanation:
Tired eyes get dry, and rubbing stimulates the lacrimal glands to produce more fluid. Tiredness also closes your eyes, so you may rub to keep them open. Finally, there's a connection between the muscles that move your eyes around and your heart. When these muscles are stimulated, a reflex slows the heart.
