HISTOLOGY
CARTILAGE BONE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the main function of the sternum in the skeletal system?
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the sternum protects the spinal cord from receiving damage.
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the sternum allows the ribs to expand and contract when a human breathes.
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the sternum connects bone to bone.
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the sternum cushions bones to keep them from grinding together.
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Explanation:
Detailed explanation-1: -The sternum or breastbone is a vertical bone that resembles a partial T-shape. It forms the front of the rib cage and is connected to the ribs by cartilage. It helps to protect the lungs, heart, and blood vessels from injuries. It’s one of the longest and largest flat bones in the body.
Detailed explanation-2: -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.
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