Biology Summer Task Our digestive systems contain glands. These glands produce enzymes. Enzymes are catalysts. Catalysts make chemical reactions happen quicker and easier. Digestive enzymes help us to break down food easier. Our bodies make lots of different digestive enzymes. Each enzyme breaks down a particular food. When an enzyme has broken down one food molecule‚ it can then break down another molecule of the same kind. It can do this over and over again. It makes the reaction happen without
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Ivan Pavlov A Man and His Dogs Many students who eat a hearty breakfast and do not feel hungry as lunchtime rolls around find themselves rushing to the lunchroom with a ravenous appetite as soon as the bell rings. A typical conditioned response‚ just as Pavlov’s famous dogs did many years ago. Nobel Prize winning physiologist‚ Ivan Pavlov‚ first identified this psychological/physiological phenomenon in the late nineteenth century. Since then‚ the term “Pavlovian Response” has become synonymous
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educated in the studio of the renowned Florentine painter‚ Verrocchio. Much of his earlier working life was spent in the service of Ludovico il Moro in Milan. He later worked in Rome‚ Bologna and Venice‚ spending his final years in France at the home given to him by King François I. Leonardo has often been described as the archetype of the "Renaissance man"‚ a man whose seemingly infinite curiosity was equalled only by his powers of invention. He is widely considered to be one of the greatest painters
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innovate‚ traditional‚ and probably an “Italian Badass”. However‚ we must look at his paintings‚ his masterpieces‚ in order to truly understand who Caravaggio really was. Notorious for his reckless private life and his provocative nature as a painter‚ Caravaggio wanted to make a statement in the arts. His paintings today are still alive with the high drama of his days and the stories he portrayed. While most artists of his day focused on religious mysticism and spirituality‚ Caravaggio made the Baroque
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Case study: 1. With regard to the normal ageing process. Discuss expected changes that may occur. A. The Musculo-skeletal system? Aging changes in the musculoskeletal system can lead to decreased mobility‚ increase in pain‚ lower activity‚ the ability to maintain strength and co-ordination. Regular exercise can maintain strength and function and help reduce risk of falls‚ reduce pain and help the older person in maintaining levels of independence. The Musculo-skeletal is made up of
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Chapter 22-Respiratory System Which of the following is not a function of the nasal conchae and mucosa? Filter the air entering the nasal cavity. Extract heat and moisture from the air leaving the nasal cavity. Heat and moisten the air entering the nasal cavity. Destroy pathogens entering the nasopharynx Which of the following respiratory structures is more commonly known as the "throat"? =throat The _________________ is also known as the "guardian of the airways".
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Caffeine is a central nervous system stimulant of the methylxanthine class. It is one of the most worldwide consumed psychoactive substances and it is totally legal. The chemical name of caffeine is 1‚ 3‚ 7 – Trimethylpurine – 2‚ 6‚ - dione. Its molecular formula is C8H10N4O2 and it has a molecular mass of 194.19 g/mole. Caffeine is an odourless‚ white crystalline purine‚ a methylxanthine alkaloid‚ which is closely chemically related to adenine and guanine. Caffeine acts through multiple mechanisms
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“A hero is a man who does what he can.” Romain Rolland What is a tragic hero? Are tragic heroes considered to have better qualities‚ and yet suffer from the many shortcomings of life? I believe that a classic tragic hero is a person that has many excellent qualities for a hero‚ and yet dies due to the mistakes that he makes. As Romain said‚ “A hero is a man who does what he can” and Hamlet is a perfect example on how he had to give up everything to commit to his revenge. This is why I believe
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physiology Horses Horses are obligate nasal breathers which means that they are different from many other mammals because they do not have the option of breathing through their mouths and must take in oxygen through their noses. Elephants The elephant is the only animal known to have no pleural space. Rather‚ the parietal and visceral pleura are both composed of dense connective tissue and joined to each other via loose connective tissue.[3] This lack of a pleural space‚ along with an unusually thick diaphragm
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and lower extremities then back to the center (heart) again. I. CIRCULATORY SYSTEM the main transportation and cooling system of the body. responsible for transporting materials throughout the entire body. It transports nutrients‚ water‚ and oxygen to your billions of body cells and carries away wastes such as carbon dioxide that body cells produce. fluid distribution network PARTS OF THE CIRCULATORY SYSTEM: The Heart‚ The Blood‚ and The Blood vessels. HEART Heart weighs between
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