Also known as the breastbone, it connects the ribs and helps protect the heart.

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Multiple Choice

Also known as the breastbone, it connects the ribs and helps protect the heart.

Explanation:
The chest’s front middle bone is the sternum, also called the breastbone. It sits at the center of the chest and serves as the anchor point for the ribs via costal cartilage, helping form the rib cage that protects the heart and lungs. The other bones listed are not the breastbone: the sac (rib cage) is the overall protective framework including ribs and sternum, the patella is the kneecap, and the coccyx is the tailbone. So the bone described as the breastbone is the sternum.

The chest’s front middle bone is the sternum, also called the breastbone. It sits at the center of the chest and serves as the anchor point for the ribs via costal cartilage, helping form the rib cage that protects the heart and lungs. The other bones listed are not the breastbone: the sac (rib cage) is the overall protective framework including ribs and sternum, the patella is the kneecap, and the coccyx is the tailbone. So the bone described as the breastbone is the sternum.

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