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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.
Will we ever go beyond The Milky Way to explore other galaxies?
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The Transformation of Medieval Economy: The new techniques led to greater production in agriculture and, therefore, a surplus from the needs of people. Increased productivi
give examples for one energy transformed to another energy
We will first give a brief description of the qocial and economic changes of this period so that developments in science can be seen in the proper perspective. Already, by the
Persuasive Essay
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Question 1) What is decision making? Explain the various steps followed to observe effective decision making 2) Explain Kaleidoscope brainstorming process 3) Discuss SWOT Analy
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