Blood carrying carbon dioxide is sent from the heart to the lungs from the pulmonary artery
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Your health is at stake if you believe health claims that aren't based on science.
Sunburn is caused by too much exposure to ultraviolet (UV) light. UV light may be from sunlight or artificial sources, such as sunlamps and tanning beds. Melanin is the dark pigment in the skin's outer layer that gives skin its normal color
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Maintenance of homeostasis is in a negative feed back loop because if the tempature gets too high the negative feedback loop acts to bring it back down.
