October 8, 2015

Homework Help: Biology - Heart Rate/Blood Pressure

Posted by Glen on Sunday, May 4, 2008 at 9:34pm.

Hi, can someone help me with these questions?

Why is it that athletes have to exercise harder/longer to get max heart rate than people that aren't physically fit?

Why does smoking cause rise in blood pressure? (Does it have to do with less oxygen getting throughout the body??)

And Why is high blood pressure dangerous ?

Thank you in advance!

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