Can you guess what these 2 regions A and B are? .

Click in the top left square to have a closer look at the stucture #1. Label 1a and 1b.

Click in the top right square or the middle square to have a closer look at the stucture #2. What is it?

Click in the top right square to have a closer look at the region A. Label the three layers a1, a2 and a3.

On what part of your body are you likely to find such a skin? (To answer, ckick inside the circle with your mouse)
on your tender belly?:
on the soles of your feet?:

Check your answers here ----->