Breathing is a two-way process that consists of inhaling and exhaling.
While resting, the respiratory muscles that take part in inhalation are relaxed and the air pressure in the lungs is equal which means there’s no airflow. We inhale when our brain sends a command – a
nerve impulse – from its respiratory center to respiratory muscles. This activates the diaphragm and when it contracts, the chest cavity expands and the lower ribs rise. The rib cage muscles allow the
chest to expand evenly.
For more info about Problem in breathing please visit our website
