Science > Chemistry > Introduction to Chemistry > Chemical Classification of Substances In the last article, we have studied the significance of chemistry and its branches. In this article, we shall study the chemical classification of substances. Matter and its Different States: The matter is any substances that have mass and that occupies space. There […]
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Blood Plasma
Science > Biology > Human Anatomy and Physiology > Cardiovascular System > Composition of Blood: Blood Plasma When a human blood sample is prevented from clotting and spun in a test tube (centrifuged), in a machine called a centrifuge, the blood separates into a straw coloured liquid called plasma and a dark brown mass […]