Ear drum because if damaged it can cause pain and loss of hearing to certain degrees.
Answer: b. modifiable risk factors
Explanation:
Modifiable risk factors are those factors which are associated with unhealthy lifestyle and they can be directly related to the development of disease and these can be fatal if the factors are not avoided or modified. The examples of modified risk factors include tobacco and alcohol consumption, excess weight gain, unhealthy eating habits and physical inactivity.
Thus the focus of health promotion and disease prevention efforts should be directed to the modified risk factors as these can be reduced, avoided and prevented to support good health and promote disease free life.