Lable the diagram on the companin sheet and then answer the two questions.
Watch the video and then answer the questions on the cmpanion sheet.
Research the different treatments and complete the table in your companion sheet.
This is a really good website with lots of information and videos to help you with your task.
A patient needs a heart valve replacement. A doctor recommends the use of a cow tissue heart valve.
Give the advantages and disadvantages of using a cow tissue heart valve compared with using a living human heart valve.
Use information from the table and your own knowledge in your answer.
(6 marks)