they expand
it remains in the body.
The ribs don't do anything when you breathe it's your diaphragm that makes you breathe.
There are several things that are bound to happen if your rib gets fractured. You will definitely be in pain and the organs that are protected by the rib cage like the liver, gallbladder, pancreas and so on may be damaged.
rib could be out.
When you breathe out, your chest gets smaller. This happens because the diaphragm and intercostal muscles relax, allowing the lungs to deflate and air to be expelled from the body. As the lungs contract, the rib cage also moves inward, leading to a decrease in chest volume.
you exhale (:
When you breathe, the actions of your rib muscles and diaphragm expand or contract your chest. As a result, air flows in and out.
you breathe in and out
When you breathe out, or exhale, your diaphragm and rib muscles relax, reducing the space in the chest cavity. As the chest cavity gets smaller, your lungs deflate, similar to releasing of air from a balloon
The diaphragm helps you breathe in and out but breathing is an involuntary action
the lungs will moves down when breathe out air
It expands