It needs to adjust: If it didn't you would faint every time you stood up. It needs to adjust to gravity and temperature as well as other conditions.
Answered 8/27/2013
6.3k views
Your body's: Need for BP fluctuates...More for activity & less for rest.
Answered 11/14/2017
4.9k views
A doctor has provided 1 answer
A doctor has provided 1 answer
6 doctors weighed in across 2 answers
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question