As a student, individuals must have discipline in their studies if they will succeed. As one person once wrote, “Life without discipline is like a ship without a rudder.” People cannot get where they want to be if they do not have the discipline to follow through. Besides, people need it if they will express […]
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The liver is the largest gland of a human body. It is located inside the abdomen, on the right upper quadrant. An adult healthy liver weighs about 1300gm in females to 1600gm in males. Being highly vascular, it is reddish-brown in color. Location: Liver is located in the upper quadrant of the right hypochondrium of […]
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A pure substance is one which is made up of a same type of molecule.And in real life we come across very few examples of pure substances. A substance can be said to be pure if it has a homogeneous appearance and an uniform color throughout its matter. These materials are very hard to find […]
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At the initial point of the 19th century, a British chemist John Dalton proposed the atomic theory. This could successfully explain the law of conservation of mass and constant proportion. However since he considered atoms to be indivisible, his theories couldn’t be used to explain many chemical phenomena. By the end of the 19th and […]
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Bone is a specialized and constantly changing connective tissue, having general characteristics of connective tissues like Composed of cells Have dense intercellular substance impregnated with calcium phosphates, carbonates etc. Have well-developed circulation. Classification of Bones: Bones are classified on the basis of various characteristics. They are A. According to position: Axial bones: They form the […]
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Functional groups are an atom or a group of atoms bonded together in a unique manner attached to the alkyl chain or ring or any other organic molecule. They confer special characteristics and properties to the molecule they are attached. They are also usually the site of chemical activity of the molecule and the site […]
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Sodium hydrogen carbonate is also known as sodium bicarbonate. It is a chemical compound with the chemical formula NaHCO3. It is a commonly used basic salt and is also known as baking soda. It is a basic salt composed of a sodium cation (Na+) and a bicarbonate anion (HCO3−). Sodium hydrogen carbonate is a white […]
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Velocity is a rate of change in displacement with respect to time. As displacement is a vector quantity having both magnitude and direction, velocity is also a vector quantity. Acceleration is a rate of change in velocity with respect to time. An object undergoes acceleration whenever an object’s speed increases or decreases (usually referred to […]
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The kidney is the primary organ of excretion found in the upper chordates. It is an abdominal organ, situated just anterior to the posterior abdominal wall. Being two in number, they are located one on each side of the vertebral column. It is a retroperitoneal organ, i.e., it has no peritoneal covering, peritoneum gets reflected […]
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There are different chemical species, like atoms, ions, and molecules. A chemical bond is a lasting attraction between two chemical species. Depending on the specific type of bond and the nature of the particular species, the bond may be strong or weak. Chemical species usually bond to fill their electron orbitals and shells, due to […]
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