My Shortlisted Essays
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The Respiratory System Organs involved are lungs, capillaries The body requires oxygen to survive as it feeds muscles, tissues, and organs. The air we inhale breathe in into our bodied consists of: GAS AIR INHALED AIR EXHALED Oxygen 21% 16% Carbon Dioxide 0.04% 4% Water vapour Varies from environment Large amounts Nitrogen makes up most of the air we breathe in but is not relevant to this system. Also the amount of Oxygen used in the body is the same as the amount of carbon dioxide produced. Only a small amount of oxygen...
pale substance that is made up of 90% water. The rest is made up from glucose, amino acids, fats, calcium, urea, carbon dioxide, antibodies and fibrinogen.
pale substance that is made up of 90% water. The rest is made up from glucose, amino acids, fats, calcium, urea, carbon dioxide, antibodies and fibrinogen.
White cells Lymphocyte, Granulocyte, Monocyte the white cells are the immune system for the body. White cells are produced in lymph nodes and bone marrow. These cells can find and destroy any infections. Only a few white cells can kill bacteria and viruses.
Platelets- these help blood to clot. They are what forms a scab and reduces blood flow when we have a cut.
Diagrams of blood cells-
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Method Ten 50ml beakers were labelled accordingly, e.g. 2 x 0m, 2 x 0.25m, 2 x 0.5, 2 x 0.75 m and 2 x 1m. Distilled water and sugar solution were then measured to vary sugar concentration, into beakers using a pipette. Using a size 4 core borer, sections...
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Planning: I am investigating the effect of increasing enzyme concentration on the rate of reaction. Prelimary work is very important and I conducted this before carrying out my final experiment. It is important because I need to find out which was the best vegetable to use,...
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Trans Fatty Acids and Heart Disease Heart disease is the number one cause of death for North American men and women. In fact, each year more middle -age and older women die from cardiovascular diseasethan breast cancer. The good news is that the risk of heart disease can be greatly reduced...
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The digestive system is used to break down the food that we eat. It is made up of many different organs like the oesophagus, stomach, intestines etc?óÔé¼?ª Digestion starts when food is taken into the mouth. This is called ingestion. The teeth are used to break the food into...
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Aim I am going to investigate the effect that different concentrations of sugar solution have on the amount on osmotic activity between the solution and potato chips of a given size. Scientific theory and diagrams For this particular investigation I think that the lower the concentration...
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