Safety of Sunscreen The sun’s rays have powered life on our planet since its creation‚ and have made life possible for all living things. The sun is one of the most important elements of the universe‚ but in recent years has only been condemned for some of its harmful effects on humans. Lately‚ all that is heard about the sun anymore is how can be harmful and how protection from overexposure is needed. Many people are scared of dangerous overexposure effects such as sunburn‚ premature aging of the
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SPECIAL SENSES EYES – the organs of sight. We learn much about the environment through these senses. IMPORTANCE: We learn about the people‚ things and happenings around us. To students‚eyes are very important. Eyes makes students understand their lessons better by observing‚ reading ang analysing facts. With the eyes we may avoid accidents ant other cicumstances that makes us sick. COMMON AILMENTS: 1st Group • Myopia - nearsightedness‚ clearly sees object near them. Concave
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1. What is the integumentary system and its primary characteristics? System that contains hair‚ skin‚ and oils. It covers the whole body‚ is 7% of weight‚ and is very thin. 2. Describe and give at least one example of each of the functions of the integumentary system. Protection- different barriers to keep pathogens out. Ex- sebum Body temperature regulation- helps with homeostasis. Ex- production of sweat Sensory- receptors in the skin detect different things. Ex- nerve endings detect pain
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HOW CANCER CELLS WORK A diagnosis of cancer can be devastating. And there is good reason for this fear -- Cancer is the second leading cause of death in the United States next to heart disease‚ and will claim more than half a million lives this year. Cancer also known as a malignant tumor or malignant neoplasm‚ is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body. Not all tumors are cancerous;benign tumors do not spread to other
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Pathophysiology Main article: Carcinogenesis Cancers are caused by a series of mutations. Each mutation alters the behavior of the cell somewhat. Cancer is fundamentally a disease of failure of regulation of tissue growth. In order for a normal cell to transform into a cancer cell‚ the genes which regulate cell growth and differentiation must be altered.[40] The affected genes are divided into two broad categories. Oncogenes are genes which promote cell growth and reproduction. Tumor suppressor
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Case Study on Melanoma Cody Wendell‚ Emily Turner‚ Aaron Nestor‚ Janie Williams 1. Cancer‚ a medical condition in which the cells start to mutate and multiply. Creating cells that have no purpose and cause major problems within the body. Biopsy‚ the medical process of cutting of a sample of the infected tissue to examine and observe to see what is wrong and how the disease is affecting the tissue. Tumor‚ a large group of cancerous cells within the body‚ often
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Cfcs Cause Deterioration of the Ozone Layer The deterioration of the ozone layer ‚ caused by Cfcs‚ endangers the lives of humans ’. Cfcs have a diminishing effect on the ozone layer. Furthermore‚ the deterioration of the ozone cause an increase of Ultraviolet (UV) radiation which can have a negative effect on human skin and eyes. As a writer for newsweek‚ I have investigated the scenario and found the following information. The earth ’s atmosphere is a blanket of air that surrounds the planet
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Zoe Macfoy Human Anatomy 2nd Period Key Terms 1. Skin- the thin layer of tissue forming the natural outer covering of the body of a person or animal. 2. Epidermis- the thin layer of tissue forming the natural outer covering of the body of a person or animal. 3. Stratum basal- stratum germinativum: the innermost layer of the epidermis 4. Stratum spinosum- a layer of the epidermis found between the stratum granulosum and stratum basale 5. Stratum Granulson- the layer of epidermis just
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5 Diseases Acording to Nightangle’s Environmental Theory Typhoid Typhoid fever is a bacterial infection caused by ingesting contaminated food or water. If there is not healthy food or healhty water avaiable‚ it can causes Typhoid Fever. Symptoms are characterized by headaches‚ nausea and loss of appetite. Skin Cancer If exposure to sunlight continues for several years‚ the damaged skin has an increased chance of developing one of the forms of skin cancer. Exposure to ultraviolet radiation
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NEOPLASIA At the end of these two lectures you should be able to:- (1) Understand the concept of neoplasia (2) Define neoplasia (3) Understand the nomenclature of neoplasia (4) Characterised benign & malignant neoplasm (5) Differentiate between benign & malignant neoplasm (6) Characterised malignant cells & understand anaplasia (7) Classify neoplasia (8) Define “local” & “metastatic” spread (9) Discuss the route of metastatic spread and principles establish to work out the possible
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