This the diaphragm. When it contracts it lowers and air can rush into the lungs. When it relaxes air leaves.
Internal intercostal muscles
The sternum is the flat bone that the upper ribs are joined to.
diaphragm
Smooth muscle tissue is usually found neam your ribs and it is used to protect the inner part of your ribs from infections.
Torso-the sternum is the flat bone in the center of your chest between them.
there are several flat bones... The Scapula (shoulder blade), Sternum (breast bone), Cranium (skull), Pelvis and Ribs are all considered to be flat bones.
The ribs protect your lungs (along with the sternum, which protects the heart).
intercostal muscles..... they are located under the ribs
upper 4 ribs and there intercostal muscles.upper part of serratus anterior muscle
Latissimus dorsi is the muscle that extends from the ribs to the pubis and compresses the abdomen.
Yes
External intercostal
yes, lower eight ribs.