Ключевые слова: biological, biology, biotechnology, blood, cancer, cell, creature, digestion, digestive, disease, experiment, flu, genetic, good, growth, gut, health, health care, healthcare, hiv, human, hygiene, ill, illness, immune, infection, intestine, laboratory, life, magnification, medical, medicine, micro, microbiology, microscope, microscopic, molecular, molecule, no people, organism, protection, research, science, scientific, sick, sickness, system, test, virus,