Where are the human ribs? Can you tell me? I want to know.

The rib is an arc-shaped small bone, one end of which is connected to both sides of the trunk spine, the wall of the road body is bent towards the development plane, and the other end is fleshy or connected to the sternum in the center of the chest. Fish steak The city end is connected with the spine, and the femoral end is free. In higher vertebrates, the ventral ends of ribs are connected to the sternum, which together form a chest pad. Chest pads can not only protect the heart and lungs, but also strengthen the respiratory function.

Extended data

The chest is above the ribs. The upper border of the chest is the lower border of the neck, the lower border is the bony lower thoracic opening, and the outer side is the front and rear edges of the deltoid muscle, which is the second largest body cavity part of the human body. This part is divided into two parts: chest and chest content; The thoracic cavity is divided into chest wall and diaphragm; The chest wall is divided into front wall, side wall and back wall by axillary front line and axillary back line.

There are 12 ribs on the chest and back, the eleventh rib is only connected with the thoracic vertebra, which is called floating rib, and the twelfth rib is slightly longer, which is called false rib. The eighth, ninth and tenth ribs are only connected with the seventh rib, and the seventh rib is connected with the sternum, which is called rib arch.

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