3your heart is pumping at two to three times the normal speed, sending nutrient rich blood to the major muscles in your arms and legs. the tiny blood vessels (called capillaries) under the surface of your skin close down (which consequently sends your blood pressure soaring) so you can sustain a surface wound and not bleed to death. even your eyes dilate so you can see better. which best describes the purpose of paragraph three in this passage? a) to describe the way the human body physically responds to stress b) to describe the typical stresses that a caveman faced c) to explain how modern stresses differ widely from ancient stresses d) to differentiate between real stress and false alarm stresses