NEET PG DENTAL EXAM

Detailed explanation-1: -The diaphragm, located below the lungs, is the major muscle of respiration. It is a large, dome-shaped muscle that contracts rhythmically and continually, and most of the time, involuntarily. Upon inhalation, the diaphragm contracts and flattens and the chest cavity enlarges.

Detailed explanation-2: -The intercostal muscles provide structure and flexibility to your upper body and when you breathe, they allow your ribcage to expand and contract. If your entire ribcage were made of rigid bone, your lungs wouldn’t be able to expand as much.

Detailed explanation-3: -The diaphragm: This dome-shaped muscle below your lungs separates the chest cavity from the abdominal cavity. The diaphragm is the main muscle used for breathing.

Detailed explanation-4: -The diaphragm (DYE-uh-fram) is a muscle between the chest and the abdomen that allows the body to move air in and out of the respiratory system. When you breathe in (inhalation), the diaphragm moves down toward the abdomen, and the rib muscles pull the ribs upward and outward.