The Missouri and the lower Mississippi are usually considered as a single waterway, which is among the longest in the world. The <b>Missouri River</b> starts in Montana and flows generally east and south for <b>2540 miles</b> before flowing into the Mississippi River, the second longest river in the United States. The Mississippi River (the <i>largest</i> river system) flows from Minnesota to the Gulf of Mexico.
Knee. The knee is a complex pivotal hinge joint that connects the bones in the upper and lower leg, comprised of muscle, ligaments, tendons, and the meeting of four bones: the femur, tibia, fibula, and patella. It is the largest joint in the body. Read More.
The Knee Joint. The knee joint is a complex hinge joint that also allows some rotation as the knee bends or flexes. The upper part of the knee is formed by the distal (lowermost) end of the femur which in turn has two prominences; the medial (inner) and lateral (outer) femoral condyles.