WebFeb 6, 2024 · Many conditions can cause your skin to have a bluish tint. For example, bruises and varicose veins can appear blue. Poor circulation or inadequate oxygen levels in your bloodstream can also cause ... WebPeople with blue eyes have no melanin in the stroma, the front layer of the iris. The lack of pigment in the eyes causes light to scatter when it hits them, making the irises appear blue. Green ...
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WebOct 27, 2015 · Methemoglobinemia can be inherited or acquired. Acquired cases are more likely to occur and are usually the result of exposure to certain medications or chemicals … WebFeb 3, 2024 · Human blood is red because hemoglobin, which is carried in the blood and functions to transport oxygen, is iron-rich and red in color. Octopuses and horseshoe crabs have blue blood. This... offroad outlaws hacked download pc
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WebJun 19, 2016 · Most humans have RH positive blood, meaning they carry a gene originating from the rhesus monkey . Humans are believed to have evolved from a similar ancestor. But 10-15% of people do not carry this gene, which means there is a small amount of people on the planet who are RH negative. WebPeople with RH negative blood type have similar physical traits that might differ from people with other blood groups. Their body temperature is generally lower than … WebOct 12, 2024 · Just because humans don’t have blue blood doesn’t mean blue blood doesn’t exist. Some animals don’t use hemoglobin, like we do, to move oxygen around their bodies. Some crabs, spiders, and other … my eye doctor fox chase