Biology SL Internal Assessment What is the effect of heat on vitamin C concentrated in lemon juice? Introduction: “Vitamins are complex organic substances that are needed in very small amounts for many of the essential processes carried out in the body.” 1It is estimated and supported scientifically that only a few mg are filling the daily recommendation‚ which is essential for a healthy living. As most of vitamins cannot be produced by our bodies‚ we need to obtain them from
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Osteoporosis ("porous bones"‚ from Greek: οστούν/ostoun meaning "bone" and πόρος/poros meaning "pore") is a progressive bone disease that is characterized by a decrease in bone mass and density which can lead to an increased risk of fracture.[1] In osteoporosis‚ the bone mineral density (BMD) is reduced‚ bone microarchitecture deteriorates‚ and the amount and variety of proteins in bone are altered. Osteoporosis is defined by the World Health Organization (WHO) as a bone mineral density of 2.5 standard
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common in Women | Most common in women‚ (small frame & thinned boned) | Genetics | Family History | Family History History of Anorexia | Ethnicity | | Caucasian and Asian | Diet | Unhealthy diet | Unhealthy Diet & Low Calcium or Vitamin D intake | Obesity | Excessive weight | Excessive weight | Smoking | Tobacco use | Tobacco use | Alcohol | Excessive consumption | Excessive consumption | Lifestyle | Inactivity | Inactivity | Occupation | Repetitive tasks * | | Injury
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Unit 32 Factors affecting growth and repair M1 In this assignment I am going to explain the factors that might affect the growth and repair of bones. There are many different factors that can affect the growth and repair of the bones I am going to explore 4 factors and these are; * Exercise: Doing regular exercise helps build the muscle’s in the body‚ but it also helps maintain the bones and increase the bones strength. Exercise causes the muscle to contract against the bone. This action then
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priority (Williams‚ L. S.‚ & Hopper‚ P. D.‚ 2015). Pathophysiology Our bodies have four parathyroid glands that are responsible for the production of parathyroid hormone (PTH). This hormone is responsible for keeping the calcium level in the bloodstream balanced. When one or more of the parathyroid glands produce too much PTH‚ the body pulls calcium from the bones into the bloodstream to compensate for the high level of PTH (Williams‚ L. S.‚ & Hopper‚ P. D.‚ 2015). There is
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Osteoporosis causes bones to become weak & brittle due to low bone mass & bone tissue deterioration. Chronic & progressive Most common origin of bone disease in U.S. Fractures transpire easily. Primary cause of fractures in elderly. Bone formation should match bone resorption. Osteoblasts Build (form) new bone & generate organic matrix & mineralize bone. Osteoclasts Breaks down bone & cause bone resorption. Osteocytes Maintain bone by directing when/where bone remodeling is to occur. Parathyroid
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10 “Bad” Things That Are Actually Good for You Source: http://www.rd.com/slideshows/10-bad-things-that-really-arent/ 1. Computer Games They isolate children socially and distract them from learning‚ right? Think again. Researchers have found that kids who clock up regular console time can improve their hand-eye coordination‚ their grip on science‚ even their IQ. Clock up means make a record of Console means comfort A British study of 700 children found that simulation games developed
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thin‚ small boned‚ white female may experience in her everyday life‚ on top of the normal effects of aging‚ would be bone fractures‚ spinal cord may crumple‚ and back pain would be present. Osteoporosis can be prevented by: increasing calcium and vitamin D intake as well as exercising on a regular basis. Osteoarthritis occurs when the protective cartilage on the ends of your bones wears down over time. (http://www.mayoclinic.org/diseases-conditions/osteoarthritis/basics/definition/con-20014749)
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breast and prostate cancer‚ can result in the weaker and fragile bones. Prevention Strategies for preventing osteoporosis are different for young women and older women. Young women should make sure to meet their needs for calcium‚ vitamin D‚ and other medications. Physical activity of a weight-bearing nature is important to
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The most effective measures for preventing osteoporosis include good nutrition and a liberal intake of calcium and vitamin D throughout life‚ [and] particularly [during] early postmenopausal years. Moderate‚ regular physical activity‚ especially weight-bearing exercises such as walking‚ running and weightlifting‚ also protects against bone loss. There are also several
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