Anatomically speaking, the skin is made up of three layers: Your skin barrier (epidermis) is the outermost layer of skin, ...

Plants don't just grow, they build. From towering trees to delicate flowers, complex plant shapes are sculpted with ...

The outermost layer is the bloodless epidermis. The dermis includes collagen, elastin, and nerve endings. The innermost layer, subcutaneous fat, contains tissue that acts as an energy source ...

Ask an adult if you need help. Peel a thin layer off that chunk and put it on your slide. This is what's called the epidermis. Using a drop of food colouring, stain the layer so you can see the cells.

Thick keratin layer would restrict oxygen exchange and water absorption. Amphibians have many mucus glands to reduce water loss. As a result of this skin, they are restricted to moist, humid habitats.