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Define Integrity of Epithelial Tissues?
Vitamin A is essential for the integrity of the mucous-secreting cells. In fact vitamin A maintains the health of epithelial cells that line internal and external surfaces of the lungs, intestines, stomach, vagina, urinary tract and bladder eyes and skin. These cells act as important barriers to bacteria. Certain epithelial cells secrete mucous to keep the skin, eyes and other mucous membranes moist. In deficiency, the epithelial tissues are keratinized. The tissues affected are salivary glands, respiratory tract, eyes, skin and sex organs.
Define Basal Metabolism and Energy Expenditure at High Altitude? The energy and nutrient requirements depend upon total energy expenditure and metabolic rate of the individual.
What are fluid and deposit feeding in holozoic animals
Organisation of the Marine Ecosystem The oceans like lakes, exhibit zonations. First describe the various zones or regions of the oceans and then later deal with the biota occ
Compare the teeth of Australopithecus afaensis and Homo sapiens. a)Describe the similarities and differences between the two species. b) Write a hypothesis about dietary difference
KIDNEY S - Origin . They develop from the mesoderm of the embryo. The kidneys secrete three hormones: renin, erythropoetin and calcitriol. (i) Renin . Whenever the rat
Drugs for hepatitis B Chronic HBV infection is currently treated with interferon alfa, lamivudine or adefovir. Lamivudine is much better tolerated than interferon and much les
What do you mean by Syconoid sponge. Of different sponge architectures, this is intermediate in its complexity. Spongocoel is no longer lined with choanocytes, now located in r
Define Proteins as biological buffers? Proteins have the ability to accept or donate hydrogen ions and by doing so they serve as biological buffers. In blood, there are three i
Q. What do you mean by eutrophication? The Eutrophication is the process of excessive increasing of nutrients, like nitrate and phosphate in water due to direct deposit of non
what is the classification of vertibrates
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