Introduction Every year‚ more than 60‚000 Americans die of pneumonia‚ an inflammation of the lungs that’s usually caused by infection with bacteria‚ viruses‚ fungi or other organisms. Pneumonia is a particular concern for older adults and people with chronic illnesses or impaired immune systems‚ but it can also strike young‚ healthy people. Worldwide‚ it’s a leading cause of death in children. There are many kinds of pneumonia ranging in seriousness from mild to life-threatening. Although signs and
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Eugene Bernal Assignment in Science 9 Structural/Behavioural/Adaptation How Does It Protect The Respiratory System? a. Mucous Membrane It traps dust‚ dirt‚ germs (allergens‚ viruses‚ bacteria‚ etc.). Also it keeps your insides from drying out. b. Hair in the nasal cavity It traps dust‚ dirt‚ germs (allergens‚ viruses‚ bacteria‚ etc). Also it keeps your insides from drying out c. Epiglottis It’s a flap that covers the opening to your lungs while you’re swallowing so you don’t inhale food.
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geysers (thermal vents) where the temperature may be as high as 1000C‚ deep in the soil‚ under the layers of snow several metres thick‚ and in highly acidic environments. Microbes are diverse– protozoa‚ bacteria‚ fungi and microscopic plants viruses‚ viroids and also prions that are proteinacious infectious agents. Some of the microbes are shown in Figures 10.1 and 10.2. Microbes like bacteria and many fungi can be grown on nutritive media to form colonies (Figure 10.3)‚ that can be seen
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is still felt in medical research. However useful these cells are‚ obtaining them was very controversial. After reading the book‚ the main themes that stuck out in my mind are racism and ethics in medicine. Henrietta Lacks was born into a poor tobacco farming family in 1920. She lived a modest life up until around 1950. She then went to Johns Hopkins Hospital where she was diagnosed with cancer. Unknowingly‚ Henrietta had a sample of her tumor and other cells taken from her during her stay at Johns
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mesmerising archaeological sites and the most accessible to visitors. Located in the resort of Paphos on the south-west coast of the island‚ Nea Pafos -as it was called in antiquity- is home to a treasure trove of some of the most lavish ancient mosaics in the world. Founded in the late 4th century BC‚ Pafos became the capital of the island‚ replacing Salamis‚ during the Hellenistic and Roman eras. Now a UNESCO World Heritage Site‚ the site is a vast archaeological area with remains of four Roman
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Imagine if you made a groundbreaking discovery and your ideas were shared without your consent and then you were not credited for your achievement. Rosalind Franklin‚ a scientist‚ made a big revelation that led to the discovery of the structure of DNA. Her coworker shared it with other scientists and she was never credited for her work. Rosalind Franklin was born on July 25‚ 1920 in London‚ England in a Jewish household‚ during the time of flappers and advancement for women. In 1928 a law was passed
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period of the Ancient Egyptians all the way up to modern art. It was a very interesting experience and one that I would definitely like to repeat in the future. The piece that was most interesting to me was a Roman floor mosaic that depicts The Battle of Lapiths and Centaurs. A mosaic is a picture or pattern created by fixing together mall pieces of stone‚ glass‚ tile and other materials (DeWitte‚ Larmann and Shields 629) This particular piece is one that is made of stone and glass that is set in mortar
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Caused by the herpes simplex 1 or 2 viruses‚ oral herpes is highly contagious and is spread through oral sex or the kissing or sharing of utensils with an infected person. Difficulty breathing and swallowing‚ fever‚ itching and burning are other common symptoms of this infection. While the
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Factors affecting pre-natal development a. Maternal Health Since the placenta cannot filter out extremely small disease carriers‚ such as viruses‚ children can be born with malaria‚ measles‚ chicken pox‚ mumps‚ syphilis‚ or other venereal diseases that have been transmitted from the mother. Rubella is the most widespread of the viruses that have a teratogenic effect. If a pregnant woman contracts rubella in the first three months of pregnancy‚ she is likely to give birth to a child with
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especially outdoors in high traffic areas. Allergens are a principal factor in causing asthma symptoms to occur. Allergic asthma is much more common than non-allergic asthma. Allergen triggers include pet dander‚ pests‚ dust mites‚ and mold. Environmental tobacco smoke plays a major role in the exacerbation of asthma attacks. Secondhand smoke is associated with many other health issues‚ such as lung cancer and respiratory diseases. Many pulmonary disorders are caused by viral and bacterial infections;
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