Question

question 10
1 pts
what do arrows a and b point to?
a large wedge - shaped bone at the inferior end of the spine with arrow a pointing to the top of it and arrow b pointing to another small, fused bone that articulates with the bone above.
alata of sacrum b) coccyx
abody of sacral vertebra b) sacral hiatus
a) sacral promontory b) coccyx
amedian sacral crest b) sacrococcygeal joint

Explanation:

The large wedge - shaped bone at the inferior end of the spine is the sacrum. The top part of the sacrum where arrow A is pointing is the sacral promontory. The small, fused bone that articulates with the sacrum and where arrow B is pointing is the coccyx.

Answer:

C. a) sacral promontory b) coccyx