Hey, here it is!!
Can u give me a BRAINLIEST ANSWER???
Extension: Produced by the sartorius and quadriceps femoris group of muscles. Flexion: Produced by the biceps femoris, semitendinosus, and semimembranosus muscles. The popliteus muscle facilitates this movement by unlocking the fully extended knee joint.
Answer:b)lubricating surfaces
Explanation:took it on edge hope this helped
The abnormal condition in which a placenta separates from the uterine wall before the birth of the fetus is known as:
Placental abruption
I hope this helps! I'm happy to answer any other questions you might have :)