Hope this helps you but if i were you i would try not to ask any questions like this again.
Active listening because your giving your full attention
Answer:
The 2 joints that make up the knee are tibiofemoral joint (where the tibia meets the femur) and the patellofemoral joint (where the patella meets the femur). The primary knee muscles during the squat are the Quadriceps group – they work concentrically during knee extension and eccentrically during knee flexion.
C is the answer. I am sorry it might have changed from when I have done this. I have done stuff with answers like these
Sex-linked Trait.
Hope that was helpful
