Collateral ligaments are <span>two strap-like ligaments that act to stabilize the hinge motion of the knee, preventing any lateral or medial movement. It is the structure that connects the knee joint at both sides and prevents its dislocation. There are two types: Tibial (medial) collateral ligament and Fibular (lateral) collateral ligament.</span>
Answer:
I believe the answer is plasma membrane.
Its common. In the last 10 million years, there have been 4 or 5 reversals per million years
Demultiplexor is your answer.. hope this helps.
