A glaring example of the riches of Africa is the Democratic Republic of Congo, the country of Patrice Lumumba. Economic experts have pronounced that, when developed Congo alone can feed and provide electricity for the whole of Africa. During the Second World War, the Nazi forces of Hitler over-ran Belgium.
Your rib cage goes around your lungs and heart to protect them from damage. Your ribs also move when you breathe in and out. Below your lungs is the diaphragm (say dye-a-fram). This is a big muscle that works with your lungs to get air in (inhale) and out (exhale). You can feel how they work together. 1  Put one hand on your chest and the other on the upper part of your tummy. 2  Now breathe in deeply.
The ribs protect your heart and lungs so  they will not get bruised. They are part of the skeletal system,  but help your respiratory system to function.   This is how you say it in order  nose/mouth,trachea,bronchus,lungs,bronchioles and aveoli (air  sacs).  The human respiratory system is made up of the trachea, bronchi,  bronchioles, lungs, and diaphragm.