B.stimulants because the other options give almost opposite effects
Unlike fixed joints or cartilaginous joints, where bones are connected by either connective tissue or cartilage, the bones in synovial joins are not. Which makes them more flexible.
A. Muscular
Hope this helps!! Good luck :)
Sometimes breaking down a question helps us answer the question. The general question to be answered here is "What is 2/3 of 7/8?". We can solve this by multiplying the fractions together. 2/3 times 7/8 gives us 7/12.