BIOLOGY (ZOOLOGY) Standard XI Untouchability is a sin Untouchability is a crime Untouchability is inhuman TAMIL NADU TEXTBOOK CORPORATION College Road‚ Chennai - 600 006. © Government of Tamilnadu First Edition - 2005 Chairperson Prof. T. SARGUNAM STEPHEN Dept. of Zoology Govt Arts College Nandanam‚ Chennai - 600 035. Reviewers Dr. D. Mony Reader in Zoology R. M. Vivekananda College Mylapore Chennai - 600 004. Dr. D. Sudarsanam Reader and H O D Dept. of Zoology Loyola College
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swamps and marshland‚ (Watkins‚ 2001). Scientific studies on Malaria made their first significant advance in 1880‚ when Charles Louis Alphonse Laveran a French army doctor working in the military hospital of Constantine in Algeria observed malaria plasmodium parasites inside the red blood cell of people suffering from Malaria. Documentation of report on discovery of origin of Malaria‚ one of the deadliest diseases of humanity shows that Chimpanzees‚ native to equatorial Africa have been identified as
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7 Worst Killer Plagues in history Smallpox (430 BC? - 1979): Killed more than 300 million people worldwide in the 20th century alone‚ and most of the native inhabitants of the Americas Smallpox (also known by the Latin names Variola or Variola vera) is a contagious disease unique to humans. Smallpox is caused by either of two virus variants named Variola major and Variola minor. The deadlier form‚ V. major‚ has a mortality rate of 30–35%‚ while V. minor causes a milder form of disease called
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Explain how to access additional support & information relating to health & safety? There are many ways to access different sorts of support and information in relation to the health and safety if it is needed. You could seek additional support and information by talking to the manager within the home or you could talk to your supervisor. You could discuss these matters with more experienced work colleagues who could give you extra information on health and safety. Outside organisations will also
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disease vary in different geographic locations. Among American Blacks the incidence is 8%. In West Africa the incidence is reported to be as high as 40%. Believed to be a result of of selective protection of trait carriers against malaria caused by Plasmodium falciparium. Mood of Transmission The gene that determines the production of Hgbs is situated on an autosome.
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Microorganisms and Fungi Bacteria and Viruses Viruses Vocabulary virus: A nonliving‚ infectious particle composed of a nucleic acid and a protein coat; it can invade and destroy a cell. pathogen: A virus‚ microorganism‚ or other substance that causes disease; an infectious agent. capsid: A protein sheath that surrounds the nucleic acid core in a virus. envelope: A membrane-like layer that covers the capsids of some viruses. glycoprotein: A protein to which carbohydrate
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Child Marriage: A Silent Health and Human Rights Issue Abstract Marriages in which a child under the age of 18 years is involved occur worldwide‚ but are mainly seen in South Asia‚ Africa‚ and Latin America. A human rights violation‚ child marriage directly impacts girls’ education‚ health‚ psychologic well-being‚ and the health of their offspring. It increases the risk for depression‚ sexually transmitted infection‚ cervical cancer‚ malaria‚ obstetric fistulas‚ and maternal mortality. Their offspring
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from person to person via blood transfusions or through pregnancy. This disease is completely curable with the right treatment‚ but without treatment it can be deadly. What actually happens to a person who contracts malaria is that the plasmodium parasite will enter the bloodstream and travel to
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Communicable Disease: Communicable diseases‚ also known as infectious diseases or transmissible diseases‚ are illnesses that result from the infection‚ presence and growth of pathogenic (capable of causing disease) biologic agents in an individual human or other animal host. Infections may range in severity from asymptomatic (without symptoms) to severe and fatal. The term infection does not have the same meaning as infectious disease because some infections do not cause illness in a host. Disease
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Stem Cell Research Adult stem cell research is providing opportunities to treat people with a various diseases and conditions. In 2010‚ a man’s ankle refused to heal so the doctor took bone marrow from the man’s pelvic bone with a needle‚ condensed it to about four teaspoons of rich red liquid‚ and injected that into his ankle. Four months later‚ the ankle was healed! Adult stem cells are found in all tissues of the growing human being and‚ according to latest reports‚ also have the potential
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