Sternum Rib Cage Spine Scapula Clavicle.
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Heart and lungs are covered within a bony cage called chest cavity or thoracic cavity . Thoracic cavity is formed when the bones from sternum joins with the vertebral bones laterally.
The breastbone (sternum) and the ribs are connected by cartilage to form the "thoracic cage" that covers the heart and lungs. It is not unusual for ribs to be fractured when using exterior compression on the heart, as is done in CPR.
The rib cage, comprised of bones.
The immediate protector of the heart is the pericardium, which is the sac that surrounds the heart. The heart is also protected by muscle, bone, and skin.
The ribs are strong and makes your heart and lungs un hurtable
The heart is held within the pericardium, a double-walled, fluid-filled sac. It protects the heart and provides lubrication to the heart tissue.