(a)[2]
Explain why washing your hands after sneezing can help to stop disease spreading.
(b)[2]
State two methods used to prevent disease spreading through water.
(c)[3]
State three ways the body protects itself against disease.
(d)[2]
Identify each disease or virus as transmissible or non-transmissible by circling the correct option. Human immunodeficiency virus (HIV) transmissible / non-transmissible coronary heart disease (CHD) transmissible / non-transmissible scurvy transmissible / non-transmissible