How is the shark's circulatory system different from a human's?
One difference is that humans have lungs so that is used to oxygenate the blood while shark has gills. Another difference is that Sharks use the heat from their muscles, so rather then expelling it into the outside environment that actually use that to heat their blood and transfer the heat from warmer blood to passing colder blood. ChaCha!
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About Blood
The average adult has about five liters of blood inside of their body, coursing through their vessels, delivering essential elements, and removing harmful wastes. Without blood, the human body would stop working. Blood transports oxygen from the lungs to the body’s tissue and carbon dioxide from the body tissue to the lungs. Blood is the fluid of growth, transporting nourishment from digestion and hormones from glands throughout the body. Blood is the fluid of health, transporting disease fighting substances to the tissue and waste to the kidneys.
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