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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.
Why, even though they have an open circulatory system, can flying insects like flies beat their wings with great speed? In insects the circulatory system is open but this syste
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What is the evolutionary importance of the fruits for the angiosperms? The fruits have seeds and they can detach from the plant falling on the ground or can serve as food for a
Q Why in few cases is mitosis a synonym of reproduction? In some living beings asexual reproduction occurs by many means binary division, budding, grafting, schizogony, etc. In
when pollen tube enters the embryo-sac,it has;
In which parts of the circulatory system are there valves? There are valves in the heart (between each atrium and ventricle, in the aorta and pulmonary artery), in some of the
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Determine the concept of neuropsychological test A neuropsychological test therefore is defined as behavioural procedure that is particularly sensitive to the condition of the
What is the concept of minimum and maximum way of tolerance
A meal consists of grilled trout, potatoes and mushrooms. Explain how each item is ultimately the product of photosynthesis. Trout eat aquatic insects, many of which eat micros
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