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In a unicellular organism, the interior region of the organism is no longer in contact with the external environment. Thus simple processes of diffusion, phagocytosis, exocytosis and contact with sea water helped in exchanging the necessary molecules and nutrients. But a further increase in size and complexity of the organism lead to concentration of the pool of cytoplasm. The fluid in-between the cells was known as interstitialfluids.
These fluids, due to constant exchange of molecules between the various cells lead to changes in the internal environment which influenced the functioning of the cell. Physiology, we learnt earlier, is concerned with such basic activities as reproduction, growth, metabolism, excitation and contraction as they are carried out within the fine structure - the cells, tissues, organs and organ systems of the body. The various body systems of our body are enumerated next.
What is Activation offatty acids ? Fatty acids cannot undergo oxidation in the form in which they are normally present in the body. They must be converted into a form which ca
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Explain the term - Ants Ants are the most widespread species of insects in soil and consume plant residues, but are more active in humifying insects than plants.
1. city destroyed by earthquake in 1923? 2.the place where two plates collide and one goes over top the other? 3.sudden stress changes in the earth that cause ground shaking.They o
Flammable Liquids : Bulk supplies of all flammable liquids should be kept in a solvent store well away from main buildings. The store should be securely locked and fire warning no
Define the categories of Soil structure Three broad categories of soil structure. These are: 1) Single grained, where each particle in a soil functions as an indivi
methods of heat transfer
What happens if the elasticity of Price expectations is less than one?
A series of experiments were carried out using various sizes of crushed catalyst in order to determine the importance of pore diffusion on the observed rate. a) do the data
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