Friday, February 28, 2020

Homeostasis Essay Example | Topics and Well Written Essays - 500 words

Homeostasis - Essay Example The excretion of these hormones from the kidneys stops when intake is enough and diluted urine is excreted. The homeostatic mechanism at times acts as the sole surviving mechanism of the body. The presence of homeostasis in our body gives us the freedom to work in any weather, day or night, hot or cold, dry or stormy. If there was no homeostasis, we could not have been able to regulate our body temperature. That would have resulted in the hibernation of our species during winters like many other living things. The regulation and adoption of our body's internal environment according to the external environment has provided us with the freedom to work in summers when we could preserve water by excreting concentrated urine, work in winters by preserving heat by peripheral vasoconstriction and erection of skin hair which trap a layer of air preserving body heat. When the body is pushed beyond the limits of homeostatic control, cellular death occurs such as frost bite that occurs in extre me cold or stroke that could occur in extreme dehydration when homeostasis fails due to the extremes of temperature. Maintenance of homeostasis is especially important in a developing embryo since the developing organs require a perfect internal environment to grow in. also, the metabolic enzymes require specific conditions to function and produce the energy required by the embryo. Absence or failure of homeostatic mechanism in developing embryo could lead to in-vitro death or abnormal development and the new born may not be liable to life.

Wednesday, February 12, 2020

A Quality Study of the main Limitations of the Cyclic Casual Model in Dissertation

A Quality Study of the main Limitations of the Cyclic Casual Model in Establishing the Main Risk of Serious Problem Project - Dissertation Example I cannot afford to go without appreciating my friend Stephen for helping me type and edit this report. My dear parents and siblings gave me a lot of moral support throughout my study and for that I gladly appreciate them. Abstract The cyclic causal model is greatly reliable when dealing with serious problem projects (SSPs). The model has been successfully applied in respect of various SSPs. This study was dedicated to establishing the limitations of the cyclic causal model and involved a case study – the Vancouver building project which qualified as an SSP. The study involved face to face interviews with various stakeholders of the project. A total of eight respondents were sampled and participated in the study. We analysed the data obtained from the interviews statistically and noted that the main limitations of the cyclic causal model relate to the characteristic differences between the derivative and accelerating events when dealing with complex situations and its inability to provide a concrete solution to solving problems related to the derivative and accelerating events. ... couver Building Project and Its Failure 20 3.0 Research Methodology 25 3.1 Introduction 25 3.2 Research Paradigm 25 3.3 Research Philosophy 26 3.4 Research Approach 27 3.5 Research Strategy 28 3.6 Data Collection 29 3.7 Sampling 32 3.8 Time horizon 32 4.0 Results and Data Analysis 33 4.1 Correlation between Projects Problems and the Cumulative Quantity Accelerating and Derivative Events 47 4.2 Correlation between Derivative and Accelerating Events in Cyclic Models 48 4.3 Difference in mean frequency of cumulative events between the SPPs and Non-SPPS cases 50 4.4 Independent Samples Test 51 4.5 ANOVA 52 5.0 Conclusion 61 6.0 Recommendations 64 References 65 Appendix 1: Interview Questions 69 Appendix 2: Cover Letter 73 A Qualitative Study of the Main Limitations of the Cyclic Causal Model in Establishing the Main Risks of Serious Problem Projects: Vancouver Building Project Failure   1.0 Introduction In view of the interventions of the building code and regulations, it is possible t o cope with critical risk areas for various structural needs. Using the causal models of risk management, professional building and construction bodies have formulated several interventions for the industry for risk elimination and management. The seriousness of the risks involved in the building and construction industry border heavy financial losses for project clients and puts the safety of people frequenting the structure as well as the members of the general public using the structure at risk. The nature and application of the construction projects and their unique demands in terms of professional regulation raises questions relating to technical engineering considerations or ordinary project management. One of the risk management interventions that have been extensively applied in