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Q.
Which of the following statement is not true regarding ribs in humans?
NTA AbhyasNTA Abhyas 2020Locomotion and Movement
Solution:
Ribs are a type of a thin flat bone. Ribs are also termed as bicephalic because it has two articulation surfaces on its dorsal end (towards vertebra). Ribs are of 3 types:
I. True ribs (First 7 pairs): Dorsally attached to the thoracic vertebrae and ventrally connected to the sternum with thehelp of hyaline cartilage.
II. Vertebrochondral or False ribs (8th , 9th and 10th pairs): These ribs do not articulate directly with the sternum but join the 7th rib with the help of hyaline cartilage.
III. Floating ribs (11th and 12th pairs): These ribs are not connected ventrally.