described the circulation of blood in 13th century. (Bu Ali Sina‚ Ali Bin Isa‚ Ibn-Al Nafees) 2. Each fore limb of frog has _________ fingers. (4‚ 5‚ 6) 3. Fruit is formed by the enlargement of _________. (Stigma‚ Style‚ Ovary) 4. The earthworm belongs to the phylum _________. (Nematoda‚ Annelida‚ Mollusca) 5. The saliva contains an enzyme known as _________‚ which acts on carbohydrates. (Lipase‚ Trypsin‚ Ptyalin) 6. _________ tissues specialize in contraction. (Connective
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relatively uncommon. The condition most frequently occurs in men in their 60s and 70s. An aortic dissection is a serious condition in which the inner layer of the aorta‚ the large blood vessel branching off the heart‚ tears. Blood surges through the tear‚ causing the inner and middle layers of the aorta to separate (dissect). If the blood-filled channel ruptures through the outside aortic wall‚ aortic dissection is often fatal. The other condition known as tamponade is a clinical syndrome caused by the
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UNIVERSITY OF PORT HARCOURT COLLEGE OF NATURAL AND APPLIED SCIENCES FACULTY OF BIOLOGICAL SCIENCES DEPARTMENT OF ANIMAL AND ENVIRONMENTAL BIOLOGY A REPORT ON RESPIRATION IN INVERTEBRATES COMPILED & PRESENTED BY DEPARTMENT OF ANIMAL AND ENVIRONMENTAL BIOLOGY 2012/2013 SESSION COURSE: FSB201 (CELL BIOLOGY) COURSE LECTURER: DR. NOUTCHA DATE : 7TH MARCH‚ 2013 INTRODUCTION Respiration is one of the characteristics of ALL LIVING THINGS. In the simplest terms‚ "respiration" simply means "breathing"
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of classification was given by the Greek thinker‚ Aristotle‚ around 300 BC. He classified animals according to their habitat – land‚ air‚ or water. However‚ this classification of Aristotle was misleading because animals that live on land include earthworms‚ mosquitoes‚ butterflies‚ rats‚ elephants‚ tigers etc. These animals do not resemble each other except that they share a common habitat. Similarly‚ all aquatic animals do not resemble each other. Therefore‚ a new system of classification was developed
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was seen as a heretic as the Pope felt new ideas would challenge the Church’s ideas. Knowledge of anatomy Hinder Even the most famous medical schools of Montpellier and Salerno‚ dissections were only described by teachers using recycled knowledge of Galen and others. Each student did get one body a year for dissection‚ however a teacher carried this out allowing no opportunity for further research. Public health Help Many Churches and Monasteries had fresh flowing coming into them for drinking
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The methods can be the cold steel dissection where the tonsils are removed as a whole using sharp metal instruments and the bleeding is controlled with ties or sutures (Hazarika & Nayak‚ 2005). Methods by using monopolar or bipolar diathermy where the tonsils are dissected using the diathermy. Tonsillectomy can also be done by using the laser and finally the most commonly used now in most hospital is the coblation method. Coblation is a radio-frequency dissection method that cuts the tissue by breaking
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Stiff It may sound odd‚ but Stiff by Mary Roach is by far the most lively and enthusiastic approach on discussing death that I have ever read. The author did something in this work that I never thought was possible. She made death enjoyable to read about. She even stated‚ “Death. It doesn’t have to be boring.” (Roach 11). She successfully took on one of the most serious‚ dismal topics and made it enjoyable to read. The way she is able to do this is by using a style all her own which
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Is the Death Penalty Biased? Have you ever noticed how the majority of the U.S. population is in favor of the death penalty when it comes to murderers‚ abusers and child molesters‚ but as soon as its someone they know or love sentenced suddenly they claim “it’s too harsh!” or “They would never do that!” and then they’re against using the death penalty? There are certainly specific crimes that deserve the death penalty but sentencing those convicted of unforgivable crimes is just giving them an
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predicted to reduce muscle cell contraction. G proteins in the signal transduction pathway of acetylcholine prevented adenylyl cyclase and the opening of potassium channels which was supposed to reduce cardiac muscle contraction. The light of the dissection microscope may have inhibited this reduction. Every time the light was turned on‚ its intensity accelerated the heart rate of the D. magna. The D. magna was unable to cope with this light change because it was constantly turned on and off during
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Priyanka Sisodiya Write a brief essay on the interaction between caste and patriarchy in India. A khap panchayat in Haryana ‘declares’ that mobilization of women(of a particular age gap) should be monitored(in reality restricted). Marriage by choice or outside one’s caste or inside one’s gotra is forbidden and those who challenge it‚ become a story in themselves. Young girls(at few incidents boys too) fall prey to moral policing. A high court judge asks the ‘wives’ to learn to adjust. In spite
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