If you're meaning like to check if someone's respiratory system is working right you'd want to find a pulse. If you find there's no pulse you should start chest compressions and call 911 continuing to do chest compressions
You’ll find someone, it looks like you’re still in secondary school, you have plenty of time, don’t try and rush it :)
Answer:
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Explanation:
..........ok mot sure right but looks as the best
Failure to thrive=infants that do not develop normally, or are unable to eat/drink/sleep/breathe properly.
SIDS=Sudden Infant Death Syndrome