निम्नलिखित में से कौन सा जोड़ा उनके द्वारा दर्शाए गए जोड़ के प्रकार या शारीरिक संबंध के साथ सही ढंग से मेल खाता है?

Which bone is located at the back/posterior part of the human pelvic girdle, forming the base of the spine?

How many pairs of 'false ribs' (including floating ribs) are present in the human skeleton?

The thin membrane that lines the inner surface of the bone within the medullary cavity is called the: