Discuss the role of feedback in the learning of skills Feedback is the return of information which has been brought about by the result of a process or activity
Discuss the role of feedback in the learning of skills Feedback is the return of information which has been brought about by the result of a process or activity, the aim of it is to maintain or to control this process which in this context refers to a physical activity. In a physical activity, for a movement to progress the athlete needs to be aware of the effectiveness of their performance the athlete receive this information through the form of feedback. There are three loops to this feedback process:- Exteroceptive is feedback which comes from the performer's observation of their performance i.e. in a free kick the ball may not travel to where the performer had hoped, by gaining feedback the athlete is able to identify the problem and correct it. Alternatively the athlete can receive feedback in this way when watching a video of their performance, this allows the athlete to analyse their own performance i.e. to identify whether it is aesthetically pleasing, how the skill could be improved etc. This feedback can also come from other people, specifically coaches who can suggest methods to improve or maintain a skill from what they see. Proprioceptive is the feedback which is provided by the receptors found in muscles and tendons called proprioceptors and the balance sensors which provide information on how a movement 'feels.' When an athlete becomes familiar with a
Skeletal System. What is the difference between the axial and appendicular skeleton? What is the difference between ligaments and tendons? How are bones important in maintaining homeostasis?
. What is the difference between the axial and appendicular skeleton? What is the difference between ligaments and tendons? How are bones important in maintaining homeostasis? The Skeletal system provides us with many important functions. It provides us with the shape and form for our bodies as well as supporting, protecting and allowing our body to move freely, producing blood for the body and storing minerals. This is important in maintain homeostasis. The human endoskeleton skeleton is a combination of cartilage and 206 bones that make up the skeletal system. It is organized into two basic units: the axial skeleton and the appendicular skeleton. The axial skeleton supports the axis or trunk of the body and includes the skull, enclosing and protecting the brain, vertebrae of the spinal column, enclosing the spinal cord and the rib cage, around the heart and lungs. It includes 80 bones. The appendicular skeleton is made up of the bones of the limbs, shoulders and pelvis. This part of the skeletal system contains 126 bones, 64 in the shoulders and upper limbs and 62 in the pelvis and lower limbs. The function of the tendon is to connect the muscle to bone. The tendons pull on the bone providing movement when a muscle contracts. Tendons also stabilize the joint. Each muscle usually has two tendons, one proximal and one distal. Ligaments are internal or external to the
Discuss the negative impacts of Urbanisation
Discuss the negative impacts of Urbanisation Many small town dwellers and villagers had left their hometown for the cities in search of higher standard of living. This movement from rural areas to big cities is called urbanization. Thus, urbanization is the process by which there is an increase in the number and the proportion of people living in the urban settlements and the amount of industrialization of the settlement. It also refers to the increase in the size of land area occupied by urban settlements such as towns and cities. Although urbanization has brought about numerous positive impacts, it also has its share of disadvantages as well. The nature and scale of impact, be it positive or negative, will vary depending on the level of development of the country. The negative impacts of urbanization shall be discuss via the economic , environmental, social and cultural aspect. The main negative economic impact of urbanization is unemployment. With massive migration from rural areas, jobs in the urban area may not be created fast enough to meet the needs. Therefore, the first problem faced by newly arrived migrant in the urban area is finding a job. While it is true that opportunities exist in cities, it is also true that the competition for these opportunities is fierce as there are more demands for jobs than are available. This is made even more difficult because
Cigarettes are demerit goods which cause negative externalities. B
COMMENTARY COVERSHEET Economics commentary number: SL Number 4 Title of extract: K.C. to vote on smoke-free law Source of extract: http://www.ljworld.com/section/smoking/story/187733 Date of extract: Monday, November 15, 2004 Word count: 727 words Date the commentary was written: 22 Dec 2004 Sections of the syllabus to which the commentary relates: Section 2 Candidate name: Chen Xi Candidate number: Commentary Number 4 A market represents the private forces of demand and supply. Consumers aim to consume goods and services with lower prices and greater quantities while producers want to maximize their profits. A market diagram uses demand and supply curves to show the relationship between market demand and supply. These demand and supply curves are labeled as "private demand" and "private supply", that is, the private benefits and the private costs. But those private activities always affect others, both positively and negatively. Those positive and negative effects are not represented in the market model; they are external to the market, known as externalities1. There are two kinds of externalities: positive externalities and negative externalities.
Positive and Negative Influences on Individuals at Different Life Stages.
Booklet 2; Positive and Negative Influences on Individuals at Different Life Stages. I am writing a booklet to raise the awareness of the positive and negative influence of socialisation. Socialisation is learning the values and behaviours of a normal group it consist of two key factors, primary socialisation and secondary socialisation these are as follows primary socialisation happens in a child's first few years and takes place in the home and family. It teaches the child family and cultural values, beliefs and behaviours. For example to value members of the family, believe in family religion; be polite, well mannered and according to role-models. Secondary socialisation is when the child is about five- six and has just started school where they can make new friends and they have many different influences. Socialisation: The positives effects of primary socialisation are, when you grow up around your mother and father you learn how to talk, maybe different languages, to walk, ways of interacting, you may learn manners and more about your surroundings. The negative effects of primary socialisation are, when a child is growing up, they tend to pick up on things their parents do easily and like to copy for example when a child/toddler sees their parent ironing they may get out a mini
Homeostatic Control of Blood Glucose Levels
Adnan Undre Homeostatic Control of Blood Glucose Levels Glucose is an essential substance in the body as it the primary source of energy for all biological functions and is indeed the only form of energy which can be used by the brain and central nervous system. The ideal level of blood glucose is 80 - 90mg of glucose per 100mls of blood. However this level is not static - it oscillates due to changes in the body which are brought about by actions such as eating a meal, exercising, or not eating for long periods. If blood glucose levels drop or rise dramatically there may be serious consequences such as hypo- or hyperglycaemia which can both cause death. Thus it is necessary for blood glucose levels to be regulated and this is achieved through homeostasis. To work effectively homeostasis requires an effective receptor to detect variations from the norm and a negative feedback system where antagonistic processes work to redress any variations as they occur. By examining the mechanisms of the homeostatic control of blood glucose levels it should be possible to explore the consequences of a breakdown of this part of the endocrine system. Essentially, blood glucose levels are controlled by the pancreas. It is in this organ that areas of cells called the Islets of Langerhans exist, which consist of alpha cells and beta cells. These cells monitor blood glucose and secrete the
Explain the probable homeostatic responses to changes in the internal environment following the consumption of a healthy meal
M2 Explain the probable homeostatic responses to changes in the internal environment following the consumption of a healthy meal. Homeostasis: Homeostasis is the maintenance of a constant internal environment . The maintenance of homeostasis can occur through the nervous system or through chemical stimulation and changes are achieved and controlled by the homeostasis regulation mechanisms which include sensors, signal transmissions, control centres and also effectors. The above allow the body to adapt to its own environment and therefore allows it to function normally. The reason that we need the internal environment within the body to stay constant is because the enzymes within our body can only work effectively within a certain ph and temperature, if these conditions are not maintained the enzymes will not be able to work and therefore the chemical proteins within the enzymes will not be able to speed up reactions within the body and the enzymes will become denatured, if this occurs this occurs the consequences could be fatal for the individual. Homeostatic mechanisms work by negative feedback as they detect any changes in the boys internal environment and bring about an effect that will reverse the change. Although after eating a meal certain changes occur within the body they are: After eating a healthy balanced meal the glucose levels within the blood will
Case Study: Gambias Youthful Population. What are the positive and negative impacts?
Case Study: Gambia's Youthful Population Gambia is located in West Africa as shown by the map below. It is a small country of only 11,000km². Why is Gambia's population youthful? As Gambia is an LEDC, they lack the funds to employ a vast amount of doctors to the area. This means that for every doctor, there are 14,536 patients meaning that the inhabitants don't receive much healthcare. This has contributed to a relatively short life expectancy of just 54 years for a man and 57 years for a woman. The lack of healthcare available has also meant that there is an extremely high infant mortality rate of 73 per 1000 people, even though it is lower than it has been in the past. As many children die at an early age, parents tend to have a large number of children to help with daily tasks, to bring a higher income to the family and to look after the parents when they reach ill health. Gambia has a high birth rate of 40 per 1000 people because of this and in 2003, the average fertility rate was 5.13. What are the positive and negative impacts? Due the high birth rate, falling infant mortality rate and improvements in the level of healthcare available, the population has been increasing rapidly. In fact, Gambia's population doubles every 28 years and in 2009, it is estimated to be around 1.7million people. 63.55% of the population is estimated to be aged below 25 years and only
Migration within a countrys borders have greater negative impacts at their origin than their destination. Discuss.
“Migration within a country’s borders have greater negative impacts at their origin than their destination”. Discuss the statement [15 marks] Introduction . Definition of migration and internal migration 2. Reasons why people move (Push/Pull Factors) . Explain Lee’s migration model . Types of Internal Migration (Inter-urban, Intra-urban, counter urbanisation, urbanisation) Body . Social. Economic. Environmental. Political. (S.E.E.P.) impacts 2. Case Study (Statistics) . China (urbanisation) 2. London to St. Ives (counter urbanisation) . Negative impacts at origin 2. Negative impacts at destination 3. Recognize that there are also positive impacts Conclusion . Which one is the greater impact, origin or destination 2. Solution (brief) ______________________________________________________ Migration is the movement of people to establish a new permanent place of residence. The UN defines ‘permanent’ as a movement of over a year. Internal migration is the permanent relocation of population within a country. People choose or are forced to migrate due to reasons; these are called push and pull factors. Push factors are negative conditions at the point of origin, which encourages people to move, such as war, famine and natural disaster. Pull factors are positive conditions at the point of destination, which encourages people to move, such as better
I am studying both the positive and negative impacts of tourism on the Lake District
GCSE Geography Geographical Investigation What are the impacts of tourism in a selected region of the UK? Tourism is the industry that looks after the needs and welfare of tourists and provides the things that help them travel to places where they can relax and enjoy themselves. I am studying both the positive and negative impacts of tourism on the Lake District because the Lake District is being overwhelmed with tourists each year but without the income that tourism generates the Lake District wouldn't survive. The Lake District is one of 15 National Parks across the UK which has 2 main purposes. - To enhance and preserve the natural beauty of the landscape. - To provide a place for recreation and enjoyment. A third aim is; - To protect the social and economic well being of people who live and/or work in the National Park. The positive impacts of tourism are associated with the economy and employment. Tourism can also start off a cycle known as the positive multiplier effect; the tourism industry locates in an area which provides jobs for locals. This gives workers more money to spend and so more local shops open and more jobs are created and so on and so on. But as well as positive impacts, there are also many negative impacts of tourism. The first is footpath erosion. This occurs when people (tourists in this case) are
