3.0 Introduction The methodology involves five main steps; the collection of hair samples‚ the distribution of questionnaires‚ the washing of samples‚ the digestion of the samples‚ and the analysis of metal contents in the hair. 3.1 Materials and reagents used during the experiment The apparatus and chemicals that were used in the previously mentioned experimental steps are summarised in table 3.0. Steps Materials Reagents Collection of hair samples 1. Stainless Steel Scissors 2. Plastic bags
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What are bacteria? Bacteria are very different from viruses. First of all‚ bacteria are much larger in size. The largest virus is only as big as the very smallest bacterium (singular for bacteria). But bacteria are still microscopic and cannot be seen with the naked eye. They are so small that the sizes of bacteria are measured in micrometers (10‚000 micrometers = 1 centimeter). By comparison‚ the head of a pin is about 1000 micrometers wide. Though more complex than a virus‚ the structure of a
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The first half of module seven discussed protein digestion‚ absorption‚ and metabolism; while the second half focused on pathological stress and kidney disease. Protein digestion occurs in the stomach and small intestine. When a protein reaches the stomach it is denatured by hydrochloric acid. Once the protein is digested pepsin breaks apart the denatured protein into peptides. Peptides move into the small intestine where they encounter an enzyme that digest the peptides into di- or tripeptides‚
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“Mommy mommy mommy!” “Yes sweetheart.” “Can we get a cheeseburger?” “Sure‚ but do you know how the cheeseburger is digested” “No.” “Do you want to know?” “Sure.” “First the burger goes through the mouth” “What is a ‘mouth’?” “A mouth is a part of the body where people use mechanical digestion and use their teeth to break down their food. With the help of saliva produced by the salivary glands‚ which produce enzymes‚ food is able to be broken down further. This is also the place where ingestion takes
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first aid kit is a collection of supplies and equipment for use in giving first aid.[1] First aid kits may be made up of different contents depending on who has assembled the kit and for what purpose. It may also vary by region due to varying advice or legislation between governments or organisations. |Contents | | [hide] | |1 Format
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Practical 12: Digestion in Humans Aim: To distinguish between 5 liquids to come to a conclusion from which region of the alimentary canal it was extracted from. Hypothesis In this practical‚ we have been given 5 unknown solutions hence it is not possible for us without any logical analysis to come up with a conclusion regarding the positioning along the alimentary canal. We cannot come up with a proper answer or predict results without running through the tests. I though can base my analysis
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This essay will look at how being part of a group‚ or a membership‚ can influence people in positive and in negative ways. Included will be evidence that will show this from social and cultural perspectives. Being part of a group can give an individual a sense of security‚ a boost to their self-esteem and a feeling of belonging. They may see themselves as being part of an ’in-group’. Being part of a group that is seen as being better than others (an ’in-group’)‚ can create a bond between the members
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First Aid TDA 2.2 2.1-Identify the signs and symptoms of common childhood illnesses. Common cold - Symptoms include: sneezing‚ runny nose‚ slight sore throat‚ occassional headaches and a temperature. Gastroenteritis(stomach bug) Symptoms include: Vomiting‚ temperature‚ diarrhoea(not on all occassions) and dehydration. Tonsillitis Symptoms include: A very sore throat‚ fever‚ aches including headaches/migraines. Scarlett Fever Symptoms include: Fever‚ loss of appetite‚ sore throat‚ pale
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Describe how groups can influence people in positive and negative ways The way that groups can influence people in positive and negative ways varies due to different factors. The factors include individual involved‚ situation and group that the person is involved with. Group pressure plays a big role in influence and can often cause someone to do something that they wouldn’t normally do. I will discuss the positive and negative influences and different roles within this essay. Roles and groups
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Any aspect of a childâ€TMs development can be affected by disability. Physical disability A physical disability affects the mobility of children and young people and impacts their lifestyle‚ education and development throughout their life. In some cases a physical disability may involve other restrictions such as special dietary requirements or the need to use medical or adapted equipment. Physical disabilities and health conditions can be classified as congenital or acquired. Congenital conditions
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