When I studied physiology, I've been thinking why it is so difficult. I wondered how to simplify that and began to draw pictures. I wanted to remember complicated processes. Because children are so curious, I thought why not make it easier, and so I created these images. Of course they're not accurate, but just to illustrate :)
Fat-soluble vitamins...

Chromosomes...

With their genes...
Lymphocyte and immunoglobulins (IgA)...

Monocyte...

Melanocytes

Neuron...

Erythrocyte...

Thrombocyte...

