Month: July 2019

anaerobic respiration

The respiration which takes place without oxygen or without air is called anaerobic respiration. It is called anaerobic respiration because it takes place without oxygen or without air which contains oxygen (‘anaerobic’ means ‘without air’). The microscopic (which cannot see with naked eye) organisms like yeast and some bacteria obtain energy by anaerobic respiration (which …

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aerobic respiration

The respiration which uses oxygen or air is called aerobic respiration. It is called aerobic because it uses air which contains oxygen (‘aerobic’ means ‘with air’). In aerobic respiration or air use respiration, the glucose food is completely broken down into carbon dioxide and water by oxidation. This respiration produces a considerable amount of energy …

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Platelets

Platelets are the tiny fragments of special cells formed up to 7 days in the normal body and it was form in the bone marrow of the humans. Platelets do not have nuclei. Platelets help in the coagulation of blood (stop the blood when it flow, clotting of blood) in a cut or wound. For …

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White blood Cells

White blood cells fight infection (like- pneumonia, food poisoning, tropical diseases, Community-acquired pneumonia, etc) and protect us from diseases. This is because white blood cells help to fight against germs and other foreign bodies which cause diseases. Some white blood cells can eat up the germs (like bacteria) which cause diseases and transfer it on …

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Plasma

The liquid part (or fluid parts) of blood is called plasma. Plasma is a colourless liquid which is present mainly in multicellular bodys which consists mainly of water with many substances dissolved in it. Plasma contains about 90 percent water. Plasma also contains dissolved substances such as proteins, digested food (energy), common salt (like sodium …

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Blood

Blood is a red coloured liquid that circulates in our body or in the body of all organisms. Blood have red colour because it contains a red pigment called haemoglobin in its red cells. Blood is a connective tissue. Blood consists of four things: plasma, red blood corpuscles, white blood corpuscles and platelets. Thus, the …

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Respiration

The process of releasing energy from food or a aliment is called respiration. We have just know that digested food is assimilated into the body of the living organisms. The assimilated food is used for mainly 2 (two) purposes :- Assimilated food is used as a fuel (source) to get energy for various life processes, …

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