GCSE Biology Edexcel - Topic 5
a state of complete physical, mental, and social well-being and not merely the absence of disease or
infirmity - correct answer Define health
A disease that can be passed from one person to another - correct answer
Define communicable disease
A disease which cannot be passed from one person to another - correct answer
Define non-communicable disease
The common cold - correct answer Give an example of a communicable
disease
Asthma, cancer and coronary heart disease - correct answer Give examples of
non-communicable diseases
The presence of one disease, as your immune system is impaired so other pathogens are more able to
cause disease, barriers may also be damaged - correct answer What can lead
to increased susceptibility to diseases and why?
Having HIV can leave you at risk to many other opportunistic infections - correct answer
What is an example of a disease which can lead to increased susceptibility?
A disease causing organism - correct answer Define pathogen
Direct contact, water or air - correct answer What are the three ways which
pathogens can infect plants/animals?
Very small, smaller than cells and bacteria - correct answer How big are
viruses?
