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What type of respiration does earthworm has? In many complex animals, the cells of internal organs are distant from the outside environment; respiratory systems provide the passage of gases to or from internal tissues. In such kind of systems, there is a difference in pressure of a specific gas on opposite sides of a membrane, the gas diffuses from the side of greater pressure to side of lesser pressure, or each gas is transported independently of other gases. For i.e., in tissues a carbon dioxide concentration is high or oxygen concentration is low as a product of active metabolism, oxygen diffuses into the carbon dioxide and tissue diffuses out.
In many lower animals, gas diffusion takes place through a moist surface membrane, as in flatworms; through the thin body wall, as in earthworms; through air ducts, or tracheae, as in insects; or through specialized tracheal gills, as in aquatic insect larvae. In the gills of fish the blood vessels are exposed directly to the external aquatic environment. Oxygen–carbon dioxide swap occurs between the surrounding water & the blood within the vessels; the blood carries gases to and from tissues.
Q. What is facial prosthesis? Dental implants have prosthesis also been used for facial prosthesis which includes nasal, orbital or auricular prosthesis. Implant and bar retain
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Ed e m a It refers to excessive accumulation of fluid in tissue spaces caused by disturbance in the fluid interchange between capillaries, tissue spaces and lymphatic vessel
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Which of the following statements are true for fluid exchange between the blood plasma in a capillary in the leg and the interstitial spaces surrounding that capillary? A. Bloo
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Which are specialized conductive tissues of the plants? Vascular tissues of the plants are the phloem and the xylem. The Xylem is the plant tissue that forms the vessels that c
Define methods of Food Preservation? Food preservation is one of the oldest technologies used by human beings. The perishable food materials like fruits, vegetables, milk, meat
Q. Nutritional Management for gastro oesophageal reflux disease? As mentioned above the nutrient requirements remain the same as per the RDI for most patients. It would be impo
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