A person in winter stands, covering his nose and mouth from the flu viruses and bacteria attacking the body with gloves to fight the cold wind
Keywords
anatomy,
artery,
brain,
deoxyribonucleic acid,
genetic,
healing,
humor,
disease,
immune,
magnification,
microscopic,
organ,
research,
cancer,
science,
sick,
biological,
system,
agent,
medicine,
violence,
health,
life,
blood,
micro,
molecular,
breast,
breathing,
death,
microbiology,
attack,
molecular,
biology,
microscope,
laboratory,
disease,
vaccination,
protection,
transmission,
electricity,
mobile phone,
infection,
particle