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Gills -Respiration
Gills are highly vascularised extensions of gas exchange membranes. The simple type may be extension of the body surface as in sea-slugs, sea stars and many of slow moving aquatic animals. The complexity of the gills reflects the animal's requirement for oxygen. Animals with greater need or oxygen have elaborate gill structure. Before we discuss the structure of the gill let us consider the ways in which gills are ventilated because the environment in contact with respiratory surface must be continuously renewed to avoid depletion of oxygen or excessive accumulation of carbon dioxide.
Explain the term Chemical Score? Since egg proteins contain all essential amino acids in adequate amounts and possess the highest nutritive value among dietary proteins, Block
Angiosperms are the flowering plants. They first appeared at least 110 million years ago from the unknown gymnosperm ancestor, these flowering plants have risen to dominance in th
Define the term -Aqueous Movement and Outflow There are two movements of the aqueous humour that occur-thermal flow and bulk flow. Thermal flow is, an internal circulation of
Describe the Timing of Surgery and Intervention For Various Congenital Heart Diseases ? The timing of surgical or trans-catheter intervention for congenital heart disease (CHD
in human and mammals how many cells result from oogenesis
Admission Information The physician and nurses are the primary source of facts concerning the purpose of therapeutic plan and expected outcome of hospitalization. The informa
Define the meaning of Vital signs Vital signs are measures of different physiological statistics, often taken by health professionals, in order to assess the most basic body f
There is no Interphase preceding second meiotic division. There is a brief intervening period called Interkinesis During this period there may be synthesis of some reserve fo
Write on spoilage of food products by fungi,nutrition,condition for growth,consequencies and prevention.
what are some physical features of the ocean
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