How does infection enter the body? Infection control is about controlling the spread of communicable diseases between people. Some of the individuals we support will be particularly vulnerable to infection and this means you need to be extra vigilant! In order to spread infection‚ there needs to be a source‚ a host‚ a means of transmission and a point of entry. The source could be a person or the surroundings; the host is the person at risk. Transmission could be through contact with another
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considered a pathogen it must: Gain entry Colonise the tissues Resist the defences Cause damage to the tissues Pathogens include bacteria‚ viruses and fungi How do microorganisms enter the body Many pathogens enter through the gas exchange system (including ones that cause flu and TB) Food and water can carry pathogens into the stomach and intestines via the mouth and into the digestive system (including ones that cause cholera) Preventing pathogens entering Mucous
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How Do Water and Other Molecules Enter and Leave Cells Rebecca Black April Clawson April Rutherford Kymberly Swope Biology 1224-Introduction to Biology for Majors Abstract Ann‚ April‚ Kymberly and Rebecca ran tests on decalcified eggs using different solutions to discover how water and other liquids enter and leave cells. The experiment consisted of soaking the eggs in varying solutions for five minutes‚ then draining them; recording their weight before and after each interval. The ladies hypothesized
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“How Does the Body Function?” Do you consider your body a delicate temple‚ and do you give any thoughts to the daily functions it provides for you? Well‚ to name a few‚ the eyes‚ ears and skin play a vital role in our lives‚ and without these precious body parts I believe our life of living free would be limited. Someone once said that “the eyes provide a window to the soul‚ they also provide us with a window to the world.” Our vision starts when you look at an object; the light from
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Marijuana itself does not "stay" in your system‚ but the main chemical in marijuana‚ THC‚ does. It fact‚ it may stay in your system forever because it is stored in fatty tissues of various organs. Despite being stored in body fat‚ THC is only detectable for a certain amount of time. Many drug tests‚ including urine tests‚ look for 9-carboxy-THC which is the by-product of your body metabolizing the THC in your fat. Marijuana ( pot‚ herb‚ weed‚ grass ) is the most commonly used and tested for
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Introduction Water is known as a vital component to sustain life. When one is confronted with the fact that water is considered a renewable resource in the short term but only 3% is usable (N.Gray)‚ precautions must be taken to ensure the conservation of water. The agriculture industry consumes approximately 70% of the planet’s usable water globally. At large scale the water footprint arguably cannot be reduced‚ raising the question on whether our water is being used to its full potential. Water can be
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What my project is about: I will be comparing results from water testing I did at two different water bodies to prove that the catchment area has an influence over the water quality in the different water bodies. The first water body I tested was the small dam in the bokkie park situated in between residential areas and in the middle of a piece of land solely used for animals. The second water body I tested was the small dam across the road from the Trinity Church in Boksburg on Rondebult Road‚ which
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How does cocaine effect the body? Cocaine is a powerful and highly addictive substance. Cocaine hydrochloride remains a Schedule II controlled substance as it has some legal therapeutic applications as a pain reliever and vasoconstrictor‚ useful in association with some medical procedures. In most other cases cocaine is an illegal substance. It can be found in a number of forms such as‚ white powder‚ paste‚ or solidified and rock like‚ referred to as crack cocaine. It can provide a rapid- onset‚
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Nov. 2015 Chapter 4: Endpoints 1- Look at the proposed planetary boundaries in Table 4.1. Choose one of the Earth System Processes and find two articles you trust related to the process‚ its current state and predictions for the future. 1- Earth enters sixth extinction phase with many species – including our own – labelled ’the walking dead’ by Rose Troup Buchanan. 2- Accelerating extinction risk from climate change by Mark C. Urban. 2- Write a summary for each article that states the conclusions
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affeine is a widely used psychoactive drug found in many drinks‚ such as coffee‚ tea and cola. Caffeine is naturally present in the leaves and seeds of a variety of plants. Consuming caffeine has significant physiological effects on your body--one being its direct effect on your heart rate. Features Once consumed‚ caffeine enters your blood from the stomach and small intestine and begins to stimulate your central nervous system. Caffeine stimulates receptors located in cells within your heart to
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