Normal What is normal? In my opinion‚ there is no definite answer to this question. Normal is a word that is relative to time and space. Normal is‚ and always will be‚ in a constant state of change‚ today’s normal is not the same as twenty years ago‚ and it will be different ten years from now. However when you consider the way this word came about‚ you may be surprised. Normal comes from the Latin word normalis‚ which refers to a carpenter’s right angle. When you think of a right angle‚ it is
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The purpose of this lab was to find my and my fellow classmates resting heart rate and record it. There were seven people in the class and we all participated in this study. There are four places to check heart rate and they are in your wrist‚ the inside of your elbow‚ the side of your neck‚ or the top of your foot. Everyone used the wrist or their radial artery. We used our middle and index fingers to gently feel for the radial artery in each others pulse. I then counted the pulse for 10 seconds
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Gentrification is the process of renovating and improving a house or district so that it conforms to middle-class taste Although others may think gentrification is negative in certain given area’s‚ gentrification is positive ‚ because it attracts newcomers‚ and it improves neighborhoods. According to various sources gentrification is positive when it comes to certain areas/neighborhoods. Gentrification causes increase in population‚ attracts new businesses‚ and makes neighborhoods safer. Chicago
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The purpose of slavery was to get free labor so that they didn’t need to pay workers.This is why it was often used in the South‚ because of farms and things like that. But‚ the actual % of slave owners around Civil War time was very low.They wanted the slaves to work in tobacco plantations and they did not pay them for their work. These Slaves had no life.The salves were there only to work giving their bosses free labor.The slaves were not treated like normal people they lived in huts.Their bed
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In my investigation I am going to establish the effect of changing light intensity on the rate of photosynthesis. What is Photosynthesis? Photosynthesis is how plants get their food. The reason why plants have leaves‚ roots or being green is all linked to photosynthesis. In photosynthesis‚ a plant takes carbon dioxide from the air and water from the soil and uses the light from sunlight to turn them into food. Photosynthesis occurs only in the presence of light‚ and takes place in the chloroplasts
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Maintaining a normal body temperature is crucial for optimal health and is one important aspect of homeostasis. Homeostasis is the body’s ability to balance varying internal conditions within narrow limits despite a constantly changing outside environment (Marieb & Hoehn‚ 2016). When a person is subjected to stimuli‚ which is a change in the variable‚ such as cold weather‚ temperature sensitive receptors in a person’s skin called thermoreceptors‚ detect this change. The receptors then respond providing
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The Effect of Varying Temperatures to the Rate of Respiration of Bufo marinus Statement of the problem: At which environmental temperature‚ do toads have the highest respiration rate? Most animals obtain oxygen‚ which comprise 21% of the air‚ from the environment. Oxygen combines with hemoglobin of the blood to form oxyhemoglobin. Oxyhemoglobin is transported to the tissues where oxygen is released and used for the metabolic functions of the animal. The functions produce waste materials‚ such
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However‚ when rich Americans took vacations on the French Rivera it wasn’t until the 1920’s that tanned skin essentially became a fashion statement. Because of the great depression the 1930’s women got even skinner. There wasn’t much control over this although. Once the second world war passed‚ hips got larger and wider. The women of the 1960’s had a more androgynous and angular figure. In the 1970’s is when men really had to start adapting to body norms‚ so now‚ it wasn’t just the women who had
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Aim: To find the effect of temperature on enzymes‚ using a potato as a catalyst. The source of catalase is in the potato cells. 2H2O2 → O2 + H2O Planning: Introduction: An Enzyme is any one of many specialised organic substances‚ composed of polymers of amino acids‚ that act as catalysts to regulate the speed of the many chemical reactions involved in the metabolism of living organisms Enzymes are classified into several broad categories‚ such as hydrolytic‚ oxidising‚ and reducing‚ depending
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America was not prosperous or united during the 1920’s. Although there were reasons to show that The United States were prosperous during this time‚ there are stronger arguments and ‘harder’ evidence to show that most of population were neither prosperous nor united. These arguments are‚ the collapse of the American economy in the late 1920’s and the countries economical situation‚ prohibition and the truth in society a large part of this being racism. There are signs of prosperity and unity in
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