ᴡʜᴀᴛ ɪs ᴀ ʙᴀʟʟ ᴀɴᴅ sᴏᴄᴋᴇᴛ ᴊᴏɪɴᴛ? (ʙ) ᴡʜɪᴄʜ ᴏғ ᴛʜᴇ sᴋᴜʟʟ ʙᴏɴᴇs ᴀʀᴇ ᴍᴏᴠᴀʙʟᴇ? ᴍᴄ) ᴡʜʏ ᴄᴀɴ ᴏᴜʀ ᴇʟʙᴏᴡ ɴᴏᴛ ᴍᴏᴠᴇ ʙᴀᴄᴋᴡᴀʀᴅs? ɢᴏᴏᴅ ɴᴏᴏɴ ɢᴜʏs...ɪ'ᴍ ʙᴀᴄᴋ ᴛᴏ ʙʀᴀɪɴʟʏ
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The ball and socket joints are those skeletal joints which are immovable
The mandibular bone (present in lower jaw) ,of the skull is movable
Because it is hinge joint and hinge joint only moves 180° and elbow bone moves in front direction
Good noon sister
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