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In ncert ,it's given that 8,9,10th pairof ribs are false ribs and 11,12 are floating ribs .in the website it's given that 8,9,10 are floating ribs?and in other standard books ,it's given that 8,9,10,11,12 are false ribs ;out of them 11,12 are floating ribs.I'm confused .which one is correct?

Nanditha , 6 Years ago
Grade 12
anser 1 Answers
SHAN KARIM SHAIK

Last Activity: 6 Years ago

In humans there are normally 12 pairs of ribs. The first seven pairs are attached directly to the sternum by costal cartilages and are called true ribs. The 8th, 9th, and 10th pairs—false ribs—do not join the sternum directly but are connected to the 7th rib by cartilage. The 11th and 12th pairs—floating ribs—are half the size of the others and do not reach to the front of the body. Hope u got it :)

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