Mammalian defence against infectious disease can be non-specific‚ otherwise known as innate‚ or specific (adaptive). Non-specific defence can be further categorised into external (preventive) or internal (defensive). Physical barriers such as skin‚ mucous membranes and hair contribute to the body’s non-specific defence against disease. Commensal organisms on skin are also a physical barrier. Chemical secretions such as lysosyme in tears‚ sebum on skin and stomach acid are also part of non-specific
Premium Immune system Bacteria Antibody
INTRODUCTION 1.0 An Overview of Urban Regeneration According to Withgott and Brennan (2007)‚ people are now live at a turning point. Beginning about the year 2007‚ for the first time in the human history‚ more people will live in the urban areas than in rural areas. The development of social diversity is one of the principal objectives of urban regeneration. It aims at attracting new inhabitants in degraded districts but also preventing their inhabitants to leave them as soon as the situation
Premium City Integers Urban planning
Linh explains he control the Malaysian authorities exert on the refugees when they arrive at Jangaroon. Linh has sympathy for the Malaysian government in wanting to ‘stop us…taking us permanent residence‚ ‘and understands that fear motivates their control. Linh supports this idea of control by referring to their habitat as a ‘battery house’. The community of refugees weren’t allowed to leave the island without permission. Linh’s simile is used to explain to the reader that control is motivated by
Premium Interpersonal relationship Sacrifice Gang
attention and affection XXXX. The effects of "dethronement"‚ or lack thereof in the case of only children‚ determine such personality traits as responsibility‚ attitudes toward authority‚ self-esteem‚ and achievement motivation. According to this theory‚ oldest children are significantly different from youngest children because the first-borns suffer the effects of dethronement while the youngest children do not. Only children possess the characteristics held by first-borns before their "dethronement" occurred
Premium Family Birth order Personality psychology
Urban sprawl and motorization are currently critical issues‚ because they cause environmental problems as well as ecological and social issues which pose a threat to human health and social stability. Urban sprawl is the enlargement of city’s development that spread far away from the centre to the outskirt of that city. Urban sprawl is the result of the increasing urbanization. Motorization happens when people mostly use cars for traveling in the city. The rise of the automobile industry supports
Premium Urban sprawl Urban area Suburb
Assignment #4: CHAPTER 3 - Why Do Firms Cluster? 2. Labor Pooling: What’s Fixed and Variable? Consider the model of labor pooling‚ with each firm locating either in an isolated site or in a cluster with other firms. Fill the blanks with "fixed" or "variable". A. In an isolated site‚ the wage is variable and the firm’s workforce is fixed because the supply of labor is perfectly inelastic. B. In a cluster‚ the wage is fixed and the firm’s workforce is variable because the supply of labor is
Premium Supply and demand Firm Automobile
In the past‚ there were not that much buildings in cities due to economic reasons. In time‚ in some places where economy develops the number of buildings such as business and shelter buildings increased and these cities have been called “megacities”. People who live far from megacities assumed that living standards and opportunities are better in megacities. Due to the fact that migrations to megacities have started and in time‚ megacities become crowded day by day. Therefore‚ megacities are disadvantageous
Premium Poverty Economics Working class
Provide support for mobility (HSC 2002) Outcome 1 Understand the importance of mobility 1. define mobility Mobility is defined as‚ * being able to move or be moved freely and easily * the ability to move physically * The ability to move a part of the body 2. explain how different health conditions may affect and be affected by mobility No matter an individuals age‚ level of disability or infirmity it is important that everyone maintains some level of exercise. There are a vast range
Premium Exercise Wheelchair Muscle
forty-seven (47) gentlemen were part of the first hundred-ten (110) settlers to venture into Jamestown. Gentlemen are wealthy men with no working experience. There was also a poor choosing of expertise to travel to Jamestown. Only one surgeon went‚ meaning if anyone got hurt‚ there was only one person to help; as long as the surgeon was alive. The first and second trip was all men‚ no women. That meant that there was no one to cook‚ clean‚ and take care of common cold. Jamestown was suffering from the drought
Premium Water Hydrology Water crisis
[azimuth to let you know] antenna azimuth for revision Code : MEC522 Course : CONTROL ENGINEERING GROUP ASSIGNMENT-PROBLEM BASED LEARNING ASSIGNMENT Problem Statement: An Armature controlled dc motor is used to control the position of an antenna azimuth in which is shown in Figure 1. While the schematic diagram for this system is shown in Figure 2 and its corresponding parameters are highlighted in the Table 1. Equation of motion which represents the system dynamics
Premium Control theory