Can you compare a closed circulatory system to an open circulatory system?
Open circulatory systems have blood that does not flow in defined blood vessels. Examples are insects and how their organs are bathed continually in blood. Closed circulatory systems have blood that flows in vessels. Humans have this system as blood flows in veins, arteries and capillaries. ChaCha On!
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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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