If you are thirsty, dehydration has already begun.
true
false

i am not sure on this because i can go atleast 4 hours after feeling thirsty without getting dehydrated (i get headaches when i feel dehydrated)

Which action is part of becoming involved in community health? a) supporting regional health efforts b)selecting reputable health providers c)creating new health issues to address d)traveling to new regions to promote global health plz i need to graduate

What system have glands found throughout the body that release hormones into the bloodstream

Which of these is likely to be the best source of valid health information?