4.1 Introduction
Your heart beats around 100,000 times every day and, in that time, pumps about 23,000 litres of blood around your body. But what happens when it doesn’t work as well as it should? This unit explains what happens in cardiovascular disease, when the heart’s performance is affected, how the normal function of blood vessels is impaired, and what treatments are available. Whether you are a patient, relative, friend or healthcare professional, you will find the unit interesting.
Author(s): The Open University

6.1 Introduction
Your heart beats around 100,000 times every day and, in that time, pumps about 23,000 litres of blood around your body. But what happens when it doesn’t work as well as it should? This unit explains what happens in cardiovascular disease, when the heart’s performance is affected, how the normal function of blood vessels is impaired, and what treatments are available. Whether you are a patient, relative, friend or healthcare professional, you will find the unit interesting.
Author(s): The Open University

Introduction
Frontline managers are responsible for gathering service user views on their needs. Whose views should be taken into account? How do managers gather views? This unit helps you consider ways of getting feedback from service users, and shows the inclusive approach of a manager of a voluntary sector mental health service.
Author(s): The Open University

Introduction

The unit explores what it means to become a critical social work practitioner by using a series of activities and readings to guide you through some new and important concepts. An understanding of ‘critical perspectives’ will help you take a positive and constructive approach to the challenging problems that arise in social work practice.

You will be introduced to a critical understanding of the nature and boundaries of personal and professional discretion and judgement in the
Author(s): No creator set

2.1 Introduction
What does it take to become a critical practitioner in social work? This unit will guide you through some important concepts. An understanding of ‘critical perspectives’ will help you take a positive and constructive approach to problems that arise in social work practice.
Author(s): The Open University

3.1 Introduction
What does it take to become a critical practitioner in social work? This unit will guide you through some important concepts. An understanding of ‘critical perspectives’ will help you take a positive and constructive approach to problems that arise in social work practice.
Author(s): The Open University

Introduction
This unit is aimed at teachers who wish to review how they go about the practice of teaching maths, those who are considering becoming maths teachers, or those who are studying maths courses and would like to understand more about the teaching process.
Author(s): The Open University

Introduction
The search for sustainable energy will dominate the twenty-first century. This unit provides an introductory overview of the present energy systems and takes a brief look at where the world may find energy in the future – cleaner use of fossil fuels or renewable energy sources?
Author(s): The Open University

Introduction
Tables and charts are a great way to present numerical information in a clear and concise form. This unit explains how to use the Windows calculator to carry out basic operations and calculate percentages. You will then learn how to use charts and tables to represent and interpret information.
Author(s): The Open University

Introduction
Global warming: are we responsible? Is our environmental impact damaging the planet? This unit examines the use of ozone depleting technology, the impact of fossil fuel use and explores how the development of technology can influence the direction of a society. From the Industrial Revolution to the present day find out how we have changed the planet.
Author(s): The Open University

Introduction

Pictures speak louder than words. But how can you use diagrams to help you? This unit looks at how diagrams can be used to represent information and ideas about complex situations. You will learn how to read, draw and present diagrams to help illustrate how ideas or processes are connected.

This unit is from our archive and is an adapted extract from Systems thinking and practice: diagramming (T552) which is no longer taught by The Open University. If you want to study formally with us
Author(s): No creator set

Introduction
Active galaxies provide a prime example of high energy processes operating in the Universe. This unit gives an overview of active galaxies, including the supermassive black holes that power the engines at their centres, and the emission processes by which we detect and study them. It also gives practice in mathematical techniques for analysing data and theoretical models.
Author(s): The Open University

Introduction
The power of graphics should not the underestimated. They can express information clearly and simply. This unit will help you to assess which style of graphic to use in different situations.
Author(s): The Open University

Introduction
This unit enables you to hear about some of the participants in the Local Exchange and Trading Schemes (LETS). These are associations of people who make offers of goods and services to and from each other. What is on offer and the requests people make are listed in local directories.
Author(s): The Open University

Introduction
This unit enables you to hear some of the founding members of the Bedfordshire Mencap organisation talk about how the organisation was established and the wide range of support services it offers. The work that individuals exerted to promote change is a source of pressure towards the ideal that parents should be supported in their task of bringing up children with learning difficulties.
Author(s): The Open University

Introduction
This unit is about assessing need. It is important to understand and hear about people's experiences of being assessed by health or social welfare professionals so that more sensitive responses to those with care and support needs can be developed. We interviewed three people about their experiences of assessment. Having done that, we then asked a social worker and an occupational therapist to listen to the interviews and to comment on them.
Author(s): The Open University

Introduction
In this unit, you will be hearing and reading about the issues faced by people living in poverty in Britain in 2000. This is intended to give you an understanding of what poverty is like from the perspective of the people themselves, both in terms of the experience of living on a very low income, and some of the effects this has had on their lives. One of the biggest problems facing people living on a very low income is how to afford adequate heating.
Author(s): The Open University

Introduction
Do you have a graphics or scientific calculator? If so, this unit will help you to understand the different functions and facilities available. With a focus on arithmetic, you will learn what a powerful tool this type of calculator can be.
Author(s): The Open University

7.1 Introduction
Do you have a graphics or scientific calculator? If so, this unit will help you to understand the different functions and facilities available. With a focus on arithmetic, you will learn what a powerful tool this type of calculator can be.
Author(s): The Open University

Introduction
Arrangements for care and support which people manage for themselves or have organised for them privately or informally tell us something about the shifting borders between funded and non-funded care, between health and social care, and between paid and unpaid care work. They also demonstrate how the reality of the mixed economy of care is played out in the arrangements which people make for care and support in their own households.
Author(s): The Open University