The answer is ...They should check their facts and exchange questions with each other. .
Hope this helps
What I have found says it belongs to the <span> voluntary respiration </span><span>system.</span>
Answer: 1,000,000
Explanation: Every year over 300000 kids go to the emergency room for bike accidents so minimum 300000, And as for adults it says over 467,000 injuries related to bikes so I’m guessing the answer would be 1,000,000.