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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.
Blood - Abnormal Constituent of Urine In acute inflammation and trauma, blood may be present in the urine. This condition is known as haematuria. Blood may be present in cancer
A simple equal-arm lever Make a wooden base 15 cm square and 2 cm thick. In the centre of the base fasten one more block of wood 4 cm square and 3 cm thick. Fasten to two sides
Procedures for Treatment of Chemical Burns : Accidental splashing of chemicals onto the skin can produce burns as a result of the corrosive nature of the substance involved. It ca
Natural resources: Resources, or the wealth nature has bestowed on us are essential for civilised living, and therefore, they have to be wisely used. However, it is believed th
How does the study of personality shed light onto behavior change for you? Answer: In general, personality means as the sums of the characteristics or traits of the person; to ot
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
Explain Abductor Muscles Abductor muscle is a muscle that serves to draw a part out, or from the median line (as the abductor oculi, which draws the eye outward). Abductor m
what are the micro organism in yeast used in bread production
what is Anemia?
research on Synchronouns sequential logic
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