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Q. What is circulation?
Circulation is the movement of substances like gases within blood vessels and nutrients and cavities throughout the organism.
Q. Do all animals have a circulatory system?
Not all animals have a circulatory system Cnidarians, Poriferans, nematodes and platyhelminthes (in these there are the pseudocoelom fluid but no vessels) are avascular animals. Echinoderms do not have true circulatory systems whichever.
Explain the term active transport? Active Transport : At intervals, protein assemblies involved in selective, or active transport of materials are inserted into the cell mem
Explain about the Dehydration? Dehydration is defined as the excessive loss of body water. It may occur because of inadequate intake, or abnormal loss of body water or a combin
cutaneous respiration in musquito
Admission to the Hospital The philosophy of childcare, whether in the home, hospital, or other community agency, should be consistently one of concern and support for the
Excretion in Protozoans Excretion of metabolic wastes is dope almost exclusively by diffusion. All protozoans are ammonotelic i.e., the end product of their nitrogen metabolis
Why is AIDS difficult to prevent by vaccination? It is complex to produce a vaccine against AIDS because the HIV is a highly mutant virus. In almost every replication the produ
Q. Enumerate different implant materials? Biomaterials fall into four categories: metal and metal alloys, ceramics (carbon included in this group) synthetic polymers, and natur
Contrast the reproduction of bacteria with that of frogs. Bacteria replicate asexually by splitting in two. Frogs reproduce sexually by producing sperm and eggs. One sperm and
Q. Show the pH range of natural honey? The pH of natural honey ranges from 3.4 to 6.1. Acidity of honey is primarily due to presence of acids such as gluconic acid, pyruvic a
Q. Where in eukaryotic cells does mRNA synthesis take place? To where do these molecules migrate? Messenger RNA molecules are synthesized within the nucleus, pass through gain
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