Introduction The aim of this experiment was to determine the effect of caffeine on resting body temperature. This has to do with homeostasis‚ which is the maintenance of equilibrium. In other words‚ it is a stable body state. Homeostasis refers to the process of keeping the internal body environment in a steady state‚ when the external environment is changed (Homeostasis 2). Humans are warm-blooded creatures that generate body heat internally and maintain body temperatures at a fairly constant level
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The Integumentary system maintains the body’s temperature‚ homeostasis‚ and delivers sensory information. Hair‚ nails‚ skin‚ glands and nerves are all part of the integumentary system. The integumentary systems main functions are to protect and keep the body safe from all external environments. Furthermore the roles of the integumentary system are to help control the body temperature‚ remove any unwanted toxins in the body and fight against any illness or disease. Thermoregulation is a function
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My testable question was “How does exercise affect your breathing and heart rate?” and my hypothesis was “If you exercise then your heart and breathing rates will go up because your body needs more oxygen to be circulated so that your body can keep up.”. My hypothesis was correct‚ as proven by my test. My partner‚ Brian’s heart rate when it was resting was 56 beats per second and his breathing rate was 40 beats per second. We made him do jumping jacks for ten seconds and his heart and breathing rates
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Homeostatic Mechanisms Homeostatic mechanisms are essential for a body to maintain a stable condition. The word homeostasis describes the body’s ability to maintain its healthy state‚ while the world around it is changing constantly. There are many steps in the process of homeostasis. First‚ there is the stimulus that causes the change. Then the receptor detects the change. The information of the imbalance is then sent to the control center‚ which decides the response. The information entering into
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the problem. Homeostasis can help to regulate blood pressure by hindering organs from exerting too much‚ which will prevent any disturbance to the metabolism (Flint‚ 2013) References Flint‚ D. (2013). Homeostasis & blood pressure. eHow. Retrieved July 17‚ 2013‚ from http://www.ehow.com/facts_6067550_homeostasis-blood-pressure.html. Prater‚ A. (2008‚ September 1). How blood flows through the heart. Helium. Retrieved July 17‚ 2013‚ from
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D2. Explain the importance of homeostasis in maintaining the healthy functioning of the body. Homeostasis is vital for the maintenance of healthy functioning of the body. It is important the body keeps to a narrow range of variables‚ and without it ‚ chemical reactions and metabolic processes within the body cannot be carried out properly‚ which can cause disease and complications. If the body cannot maintain its temperature‚ this can cause the person to overheat‚ resulting in hyperthermia. This
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Part 1 1. a. Proteins • made of amino acids • main functions - cell synthesis and repair‚ energy as needed • examples - soy‚ beans‚ legumes‚ nuts‚ seeds‚ animal products (milk‚ meats‚ cottage cheese‚ etc.) b. Carbohydrates • made of carbon‚ hydrogen‚ oxygen • main functions - primary energy source‚ fat and protein metabolism‚ energy reserves in stored glycogen‚ blood glucose fuels brain and CNS • examples - starch‚ sugars (breads‚ pasta‚ starchy vegetables‚ fruit sugars‚ simple sugars
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Feedback Mechanisms How do organisms regulate complex systems through chemical interactions? Why? The heating system of a house works to keep the temperature constant. If the house gets too cold‚ then the heat automatically turns on to warm the house. The heat stops when the preset temperature is reached. This is an example of a feedback mechanism. Organisms use many feedback mechanisms to either maintain or amplify important chemical systems. This could happen at a molecular level to coordinate
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to repeat investigations to identify errors and correct them. Scientific theories can always be proven wrong. Seven shared characteristics of life are: cellular organization‚ homeostasis‚ metabolism‚ response to stimuli‚ reproduction‚ growth/development‚ and heredity. The basic unit of life is a cell. Homeostasis is the ability of a body to maintain stable internal conditions. Examples would include how we sweat and dogs pant. Response to stimuli is the reacting to outside forces. An example
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Theories of Biology pg.1 The major theories of biology are evolution of natural selection‚ biological classification‚ inheritance‚ cells‚ bioenergetics‚ homeostasis‚ and ecosystems. Evolution by natural selection is a process that occurs over successive generations. Inheritance is a theory of how characteristics of one generation are derived from earlier generations. Cells theory is that all organisms are composed of cells and that all cells come from preexisting
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