Which gas is primarily responsible for stimulating the respiratory center in the

Practice Questions

Q1
Which gas is primarily responsible for stimulating the respiratory center in the brain?
  1. Oxygen
  2. Carbon dioxide
  3. Nitrogen
  4. Hydrogen

Questions & Step-by-Step Solutions

Which gas is primarily responsible for stimulating the respiratory center in the brain?
  • Step 1: Understand that the respiratory center is a part of the brain that controls breathing.
  • Step 2: Know that the body needs to balance oxygen and carbon dioxide levels.
  • Step 3: Realize that when carbon dioxide levels in the blood increase, it signals the brain.
  • Step 4: The brain responds by stimulating the respiratory center to increase breathing.
  • Step 5: This helps to remove excess carbon dioxide and bring in more oxygen.
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