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11-rib
The rib cage is the arrangement of ribs attached to the vertebral column and sternum in the thorax of most vertebrates that encloses and protects the vital organs such as the heart, lungs and great vessels.
In humans, the rib cage and the sternum, together known as the thoracic cage, is a semi-rigid bony and cartilaginous structure which surrounds the thoracic cavity and supports the shoulder girdle to form the core part of the human skeleton. A typical human thoracic cage consists of 12 pairs of ribs and the adjoining costal cartilages, the sternum (along with the manubrium and xiphoid process), and the 12 thoracic vertebrae articulating with the ribs. Together with the skin and associated fascia and muscles, the thoracic cage makes up the thoracic wall and provides attachments for extrinsic skeletal muscles of the neck, upper limbs, upper abdomen and back.
The rib cage intrinsically holds the muscles of respiration (diaphragm, intercostal muscles, etc.) that are crucial for active inhalation and forced exhalation, and therefore has a major ventilatory function in the respiratory system.
KAC 11-rib rail panels. Black. Like new condition. 10 available. $15 each
KAC Vertical Grips. Black. Like new condition. 2 available. $35 each.
Prices include shipping.
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This is the real deal made by KAC, used in good condition. Slips over your pic rail and snaps into place. Works with KAC rail systems but also works on Midwest Industries quad-rails and probably works on Troy too (any pic rail made to spec).
FTF trade M-F between 7am-2pm at my place of business...