THE TOUCH SENSE

Touch is one of the five main senses that animals have. It can be called the sense of body or the sense of touch. The system also has internal sensory receptors, and includes sensing temperature and pain.
Tiny touch sense organs under the skin help animals feel hardness, softness, and sharpness, for example. Some parts of the body, such as fingertips have many more sense organs than others.
For this sense, they also did a mockup but in this case, they had to explain the different layers of the skin and the glands that intervine in this sense.  Here there are some examples of the mockups that they had to explain