We actually feel it, but do not or can not acknowledge it. In other words, we get used to it. As we always acknowledge the changes only. This is the reason why we can feel pressure difference when we are in the water. read more
We don't necessarily feel the atmospheric pressure because of, well even if you go to a different elevation your not going very far in either distance of the threshold amount of pressure to support our bodies. read more
We are surrounded by atmosphere everywhere on the planet, which exerts a certain pressure known as atmospheric pressure. read more