Learning Outcomes

When you have studied this session, you should be able to:

• Define and use correctly all of the key words printed in bold. 
• List the ways in which water is used in the human body. 
• Understand the different ways in which water is involved in the transmission of human diseases. 
• Describe the situation in Ethiopia in relation to diseases from unsafe water. 
• Briefly outline the tests that are carried out in water quality assessment.