Animal Lung Pictures, Images and Stock Photos

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Flat vector illustration with handmade grain effect showing epidemiology lab research searching for a virus vaccine or drug. Illustration contains a lot of information depicting virus specifics and process of making the vaccine: shematic diagram of virus and virus mutation, inoculation of eggs, where did the virus come from, infectious disease lab, researches – scientists wearing protective clothing.

Modern flat vector illustration depicting COVID-19 concept. Illustration is containing handmade grain effect and showing epidemiology lab elements and a lot of other elements depicting virus specifics and process of making the vaccine or drug.

For insects, respiration is separate from the circulatory system. Oxygen and carbon dioxide gases are exchanged through a network of tubes called tracheae. Instead of nostrils, insects breathe through openings in the thorax and abdomen called spiracles

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