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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.
Feed adulterants Adulteration of raw material is creating a serious problem for manufacturing the good quality feed as the trading of raw ingredients is totally in unorganized
harmful and beneficial usesa of phylum porifera
Does every amino acid have a central carbon? To which organic group is that central carbon bound? A carboxyl group -COOH, an amine group - NH 2 , an atom of hydrogen -H and a v
What do the major organs of the digestive system do? They are salivary glands, teeth, tongue, gums, esophagus, stomach, small intestine, large intestine, pancreas, liver, and g
Explain about the Energy Requirements in elderly? Based on the Benedict - Harris equation for men and women, the daily energy requirements can be calculated. For Men: 66 t
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Define role of Vitamin K in controlling gene expression? Prithrombin, a protein required for blood clotting is assembled with a large number of glutamic acid residues. In the p
Mechanisms Of Endosseous Integration Three terms may be used to describe individual aspects of bone formation process that can occur around implants. They are Osteoconduction,
ROL E OF PROTEIN - Main organic component of body. Unit is amino acid. Polymer of amino acids. Amino acids combine to each other by peptide bond. Formation of bone, t
It is that energy which lies, embedded within earth's crust. In some places heated water comes out through the surface of earth as hot spring or steams. This hot geothermal water o
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