Oxygen and blood are most important for any human being to survive. But do you know what colour the blood is? Most people will answer that it is red. But do you know that apart from humans, animals also have blood of many colours other than red. Today we will tell you how many colours blood is found in. blood has many colors We all know that the blood of humans is red, the blood of many other creatures is also red. Apart from humans, the blood of vertebrates is…
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