Assertion: patella | /r/CapableOf | protect the knee joint
Facets:
Source sentences:
text: The patella sits between the femur and tibia, not only protecting the knee joint but connecting muscles in the front of the femur to the tibia.
text: Each leg has a patella to protect its knee joint.
text: The kneecap covers and protects the front of the knee joint and is the largest sesamoid bone in the body.
text: The kneecap covers and protects the front of the knee joint and is the largest sesamoid bone in the body.
text: It protects the knee joint and elongates the lever of the quadriceps femoris muscle.