Worksheet 2 1. a) Define a cell. b) What is a unicellular organism? c) Can a cell be multicellular? a) Cell: Smallest unit that displays the properties of life; always contains cytoplasm surrounded by a plasma membrane. b) Unicellular Organism: An organism that consists of only one cell‚ unlike a multicellular organism that consists of multiple cells. c) No single cell is multicellular; however‚ it has been noted that a cell can evolve and become multicellular. 2
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Homeostasis Lab: The Effects of Exercise on Homeostasis Purpose: To discover the effect that various levels of exercise have on specific body parameters. Hypothesis: If a subject walks up and down a flight of stairs for eight minutes‚ then they start to sweat more‚ their heart rate‚ body temperature‚ and breathing rate will increase‚ and there will be a change in their skin color on their arms and face‚ because the body will be trying to maintain homeostasis. Materials: You will
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recurrent binge-and-purge cycles of bulimia can affect the entire digestive system and can lead to electrolyte and chemical imbalances in the body that affect the heart and other major organ functions. Some of the health consequences of bulimia nervosa include: • Electrolyte imbalances that can lead to irregular heartbeats and possibly heart failure and death. Electrolyte imbalance is caused by dehydration and loss of potassium‚ sodium and chloride from the body as a result of purging behaviours. •
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Sugar is sucrose that is extracted from sugar beets and sugarcane. Sucrose‚ or table sugar‚ is the most common added sugar‚ and is found in the form of high fructose corn syrup. Americans consume up to 60 pounds of sugar in one year‚ that is 76.7 grams of sugar per day‚ which equals 19 teaspoons or 306 calories! This number is much larger for people that eat more processed foods or drink soda beverages on a regular basis. No sugar is healthy‚ but an average amount of sugar for men‚ should be around
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Advanced Pathophysiology & Health Assessment NUR5703 2011 Pre-course Learning Objectives: Fluids and Electrolytes: 1. Identify and describe the composition of the fluid compartments within the body Either Intracellular fluid (ICF- 2/3 of the body’s water) or extracellular fluid (ECF -one third of the body’s water). The two main extracellular fluid compartments are the interstitial fluid and the intravascular fluid‚ which is the blood plasma. Other ECF compartments include the lymph and
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Once Lenin came into power‚ he restored political power and almost completely eliminated the famine. The communist society that Lenin created was one where Lenin and his politicians controlled the entire industrial part of Russia. Therefore social imbalance was restored. No one was higher or lower than anyone else. The rich land owners
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capitalised‚ risk-taking traders. Why has there been a dispute between China and USA regarding China’s currency? The U.S. trade imbalance with China exceeded $200 billion in 2005. Many of the Chinese imports were the outputs of light manufacturing ventures. U.S. industries being pressured by China are pushing Congress to address particular aspects of the imbalance‚ such as the value of China’s currency and the insufficient enforcement of
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Sleep is a physical and mental resting state in which a person becomes relatively inactive and unaware of the environment. In essence‚ sleep is a partial detachment from the world‚ where most external stimuli are blocked from the senses. Normal sleep is characterized by a general decrease in body temperature‚ blood pressure‚ breathing rate‚ and most other bodily functions. In contrast‚ the human brain never decreases inactivity. Studies have shown that the brain is as active during sleep as it
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only mentions physical sicknesses of the characters‚ but mental ones aswell. Death causes a physical and emotional imbalance between characters in the story because with every death that occurs‚ each character feels loneier and lonelier. For example‚ in the beginning of the story‚ Bloomfield says that Mrs Earnshaw’s death causes an imbalance in the Earnshaw household. This imbalance is felt because with Mrs Earnshaws departure‚ Hindley no longer has that "other person" that dislikes Heathcliff as
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THREE COMPONENTS OF BULLYING • POWER IMBALANCE. When there is an imbalance of power‚ it is hard for the target to defend himself against the bully’s attacks. This difference in power can be physical or psychological. For instance‚ in cases of physical imbalances‚ the bully may be older‚ larger‚ or stronger. THREE COMPONENTS OF BULLYING • REPETITIVE ACTIONS. Typically‚ bullying is not a single act of meanness. Instead ‚ it is usually ongoing and sustained. Bullies often target their victims multiple
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