Both: Heart supplies blood to brain to work and brain regulates heart rate, blood pressure etc.
Answered 3/19/2016
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In addition..: To blood supply keeping the brain working: brain signals (such as fear, excitement) alter the entire vascular system and affect the force and rate at which your heart pumps. In addition, certain emotional states appear simultaneously to affect heart and brain as a single responsive "unit" which in turn influences how we express these feelings. The heart as a seat of emotion appears in many ways tr.
Answered 11/7/2016
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