what is the function of the first rib?
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The first rib is the most superior of the twelve ribs. It is an atypical rib and is an important anatomical landmark. It is one of the borders of the superior thoracic aperture. The ribs form the main structure of the thoracic cage that protects the thoracic organs.
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The last two pairs of ribs are called 'floating ribs'. These only attach to your spine. Your ribs form a protective cage that encloses many of your delicate internal organs, such as your heart and lungs.
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Costovertebral ligaments attach the ribs to the thoracic vertebrae. The first 7 rib sets are connected to the thoracic vertebrae in your back and the sternum (breastbone). In the front of the rib cage and between the ribs are costochondral joints and costal cartilage. These ribs are referred to as true ribs.
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Protection – the bones of the skeleton protect the internal organs and reduce the risk of injury on impact. For example, the cranium protects the brain, the ribs offer protection to the heart and lungs, the vertebrae protect the spinal cord and the pelvis offers protection to the sensitive reproductive organs.
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Side ribs are the ribs that extend down the sides of the animal over the belly and have had the breast bone removed. They are less tender than back ribs but are still very flavourful and less expensive. Because they are less tender and have more connective tissue, side ribs will take longer to cook.
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The sternum is a partially T-shaped vertical bone that forms the anterior portion of the chest wall centrally. The sternum is divided anatomically into three segments: manubrium, body, and xiphoid process. The sternum connects the ribs via the costal cartilages forming the anterior rib cage.
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Floating rib: One of the last two ribs. ... The 12 pairs of ribs consist of: True ribs: The first seven ribs attach to the sternum (the breast bone) in the front and are known as true (or sternal) ribs. False ribs: The lower five ribs do not directly connect to the sternum and are known as false ribs.
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Ribs 1-7 are considered "true" because they are directly attached to the sternum by individual coastal cartilages. Ribs 8-10 are considered "false" ribs because they are indirectly attached to the sternum by common coastal cartilage.
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The costal cartilage are segments of cartilage that connect the sternum to the ribs and help to extend the ribs into a forward motion. This cartilage also contributes to elasticity within the walls of the thorax, allowing the chest to expand during respiration. There are twelve costal cartilage sections.
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The ribs are the bony framework of the thoracic cavity. The ribs form the main structure of the thoracic cage protecting the thoracic organs, however their main function is to aid respiration. There are twelve pairs of ribs. Each rib articulates posteriorly with two thoracic vertebrae by the costovertebral joint.
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First up is the most traditional cut: square-cut, bone-in short ribs. Because of its location on the animal's body, rib meat from the short plate can be tough if it isn't cooked properly. This is both because the muscles there work hard, and also because the ribs contain a good deal of connective tissue.
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Back plates and rib protectors are lightweight, durable and designed to help absorb and disperse impact during gameplay. Rib protection for football includes rib vests, combos and shirts. Rib protectors are made with cushioned foam padding that covers both your ribs and lower back.
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Baby Back Ribs: The most popular of all pork ribs, Baby Backs are the most lean and tender. These types of ribs are located at the top part of the rib bone that is connected to the spine (backbone), just below the loin muscle.
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Each rib is a curved, flattened bone that contributes to the wall of the thorax. The ribs articulate posteriorly with the T1–T12 thoracic vertebrae, and most attach anteriorly via their costal cartilages to the sternum. There are 12 pairs of ribs. The ribs are numbered 1–12 in accordance with the thoracic vertebrae.
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Baby back ribs are more tender and leaner than spare ribs, and are typically more expensive. ... One side has exposed bone — that's where they meet the baby backs — and the other side, the side near the breast bone, is where the rib tips are, a flap of meat that has some small bones and cartilage in it.
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1 Answer. Skeletal: mechanical, protective and metabolic functions.
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The ribs are attached posteriorly to the 12 thoracic vertebrae and most are anchored anteriorly either directly or indirectly to the sternum. The thoracic cage functions to protect the heart and lungs.