Thoracic cage 🩻✨

追加: 2026-06-01

[00:00:00]Part six, thoracic cage.

[00:00:03]The thoracic cage is made up of 25 bones, sternum, and 12 pairs of ribs.

[00:00:11]Sternum, 24 ribs on either side of sternum and thoracic vertebrae.

[00:00:18]First seven ribs called true ribs, attach directly to sternum.

[00:00:24]8 9 10 ribs are false ribs, attached indirectly to sternum.

[00:00:29]11 12 are floating ribs, no attachment to sternum.

[00:00:34]Auditory ossicles.

[00:00:36]For final part, follow Biomed Simplified.