I'm not 100% sure but I think it's a. Hope that helps.
<span>The answer is endonorphins. They are opotid peptide hrmones and are poduced endogenously. Endonorphons inhibit transmissions of the signals related to pain, and are also use in depersonalization treatments. They are screted in brain and nervous system and cause an analgesic effect in the body.</span>
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.
Negative: 1:we become lazy.
2:our body become's weak where as we are the bodybuilders.
3:sperm's problems in human's
positive:1:made the life easier
2:saves time
3:electronic's become less expensive..
Answer:
bad breath and not being able to taste anything as well
Explanation: