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PURIFICACION DE AIRE AIRLIFE TE DICE. El organismo tiene varios mecanismos para eliminar las partículas aspiradas. En las vías respiratorias, la mucosidad cubre las partículas de modo que sea fácil expulsarlas mediante la tos. En los pulmones, existen células depuradoras especiales que tragan la mayoría de las partículas y las vuelven inofensivas.

Stream Patient Zero: The Origin of AIDS by Radiolab from desktop or your mobile device

Crystalline Dreams by Mugwort #psychedelicmindscom psy-minds.com

Crystalline Dreams by Mugwort

Plant cell

[VIDEO] Here’s what it looks like when you turn human skin cells into neural stem cells

Blood clot. Coloured scanning electron micrograph (SEM) of a blood clot from the inner wall of the left ventricle of a human heart. Red blood cells (erythrocytes) are trapped within a fibrin protein mesh (cream). The fibrin mesh is formed in response to chemicals secreted by platelets (pink), fragments of white blood cells. Clots are formed in response to cardiovascular disease or injuries to blood vessels. Connective tissue (orange) is also seen.

Colored scanning electron micrograph (SEM) of a blood clot from the inner wall of the left ventricle of a human heart

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