Human blood

Our blood is made of many many cells, water, proteins, etc. In these pictures what we can see are the different types of cells which are part of that red liquid that runs inside our veins and arteries. The cells here can help to transport oxygen and nutrients or can be part of the inmune system, but they look the same because I don’t have any stain to dye the them so that we can see the differences between the types of cells, sorry 🙁

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