This Science quiz is called 'Basic Anatomy - Blood' and it has been written by teachers to help you if you are studying the subject at middle school. Playing educational quizzes is a fabulous way to learn if you are in the 6th, 7th or 8th grade - aged 11 to 14.
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I don’t think you need to be a scientist to figure out that the human body cannot exist without blood. Blood is, in fact, the life force of the human body. It is part of the connective tissue and it is made up of plasma, red bloods cells, platelets and white blood cells. The blood is also responsible for regulating the body’s temperature. Although when you look at veins they appear to be blue, blood is actually red. The skin’s filtration make the blood appear to be blue.