The rib cage has 12 pairs of ribs. Which cartilage attaches the front ends of the first seven pairs of ribs to the sternum? What
is the name of these seven sets of ribs? The front ends of the first seven pairs of ribs attach directly to the sternum via____
cartilages. These seven ribs are called____
ribs.
First class lever refer to a lever on which the resistance exist in one one side of the fulcrum and an effort is made on the other side you can't get a reaction unless something else causes a reaction.
