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I understand that grown up human beings have 206 bones. What are the fused bones consist of. For the skull, carpals, tarsals, phalanges? With the ribs how many real ribs, false and floating?

2006-06-19 14:04:29 · 6 answers · asked by a_yogini 2 in Science & Mathematics Biology

6 answers

Frontals were 2, 1 in adult, maxillae were 4 pcs (premaxilla), hard palate is part of maxilla and palatine, sacrum is usually 5 fused, coccyx is usually 4-5 fused, sternum has 3 fused: manubrium, body and xiphoid process, os coxa has 3 fused bones: illium, ischium, pubis in each side.

12 prs of ribs in both male-female; top 7 pr are True, #8-12 are False and #11-12 are floating

Baby has about 300 bones. Adult has 206.

2006-06-19 14:16:34 · answer #1 · answered by gopigirl 4 · 0 0

Fused Bones

2017-01-19 11:10:34 · answer #2 · answered by blomquist 4 · 0 0

Not sure I totally follow what you're asking, but some of the fused bones include the cranial bones, although they are still referred to seperately. The frontal, parietal, occipital, and temporal bones fuse together during infancy to form the main portion of the skull.

The sacrum is another example of a fused bone, as is the coccyx (tailbone). These two bones are actually multiple vertebrae located below the lumbar vertebrae, but are now fused.

Regarding the ribs...there are actually TWO pairs of floating ribs.

2006-06-19 14:13:07 · answer #3 · answered by firemedicgm 4 · 0 0

there are 12 sets of ribs with ione floating pair, meaning that they are not attacked to the front side that leads up to sternum, ur Cocoyx(tail bone is fused vertebrea) ur sacrum(fused vertevrea on backside of Pelvis) and Skull is fused bone plates....But if you have ever had any broken bones they too also fuse with the new part in place of broken part, so it is kinda opne answered..

2006-06-19 14:10:57 · answer #4 · answered by back2skewl 5 · 0 0

Never gave this much thought

2016-08-08 00:48:29 · answer #5 · answered by Anonymous · 0 0

Thankyou all for your replies and opinions.

2016-08-23 00:08:59 · answer #6 · answered by Anonymous · 0 0

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