__________ and _________ pairs of ribs are called floating ribs
A11th ,12th
B8th , 9th
C9th ,10th
D10th ,11th
Answer:
A. 11th ,12th
Read Explanation:
The 11th and 12th pairs of ribs are indeed called "floating ribs" because they do not articulate with the sternum (breastbone) and instead "float" in the posterior abdominal musculature.
