| Dogs Circulatory Systems Why the heart
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| | dog's circulatory and respiratory system
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| rate increases during exercise? From the
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| | during exercise and during rest. In the
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| graph it shows that the heart rate of the
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| | dogs body the circulatory and respiratory
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| dog increases during exercise, while the
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| | system work hard making sure that what
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| dog is exercising the heart pumps faster
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| | the dog needs is getting around the body,
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| getting blood to the moving joints,
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| | for the respiratory system the dog is
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| making the dog breath faster to get the
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| | breathing much harder and faster then
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| needed oxygen around the body. The dog
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| | normal taking in more oxygen, making the
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| also gets adrenalin which also makes the
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| | lungs work quicker and harder. For the
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| heart work harder and making the dog
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| | circulatory system, as the dog runs
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| excitable. Why does it take a while to
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| | around it makes the heart work faster
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| return to normal? It takes a while for
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| | pumping oxygenated blood around the body,
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| the heart rate to return to normal after
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| | to the areas that need it. After exercise
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| exercising because the dog still had
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| | bother systems slow down slowly, the
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| adrenalin around the body and it takes
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| | heavy breathing gets softer, less oxygen
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| awhile for the heart to stop pumping
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| | is taken in and the fast heart rate slows
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| faster and for the breathing to go back
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| | down, less blood is pumped around making
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| to normal this is because the adrenalin
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| | it go back to normal.
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| needs to wear-down in the system. The
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