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Title: Why heart rate changes ??? Post by: nada93 on Dec 5, 2014 Why Does My Heart Rate Drop When I Raise My Arms Up?
What happen to the heart rate if i put my hand in an iced water??? pls answer me as soon as possible.. thank u Title: Re: Why heart rate changes ??? Post by: bio_man on Dec 5, 2014 Content hidden
Title: Re: Why heart rate changes ??? Post by: nada93 on Dec 5, 2014 Why Does My Heart Rate Drop When I Raise My Arms Up? Which arm, left or right? [/quote] the left arm also i have another question, a giraffe has a very long neck. what do you think happens to the atrial pressure to the brain when it suddenly raises it head up into the tress. what adaptation do you think a giraffe has to prevent these pressure changes??? Thank u |