Back dimples are the two indents on the lower back where the backbone meets the hip. People find these dimples to be very hot (only because it means you have a nice booty). It's a very rare feature on the back. Some people believe that back dimples are genetic like, a cleft chin. Men love to place their fingers in them as they are holding women.Then there are those who believe that it can be achieved through exercise (given the fact that most people with this feature have lean bodies).
When you inhale, your diaphragm contracts and moves down, making  more space in your chest. Air rushes in to fill this space, and you  inhale. When you exhale, your diaphrag â¦ m relaxes and moves up,  squeezing the carbon dioxide out of your body. 46 people found this useful.
Report Abuse. respiration holds the relationship During inhalation:The diaphragm becomes flat,the intercostal muscles move upwards and outwards,the lungs is inflamed and pressure decreases,as a result air rushes in to equalize the pressure.hen it contracts, it creates a negative pressure in the upper chest cavity, which expands the lungs, drawing air in. When the diaphram relaxes, you exhale normally. There are two kinds of intercostal muscles; external and internal. Both are accessory muscles.