2. Joints such as the shoulder, elbow, and knee contain considerable amounts of cartilage and dense regular connective tissue. How does this composition explain that joint injuries are often slow to...

2. Joints such as the shoulder, elbow, and knee contain considerable amounts of cartilage and dense regular connective tissue. How does this composition explain that joint injuries are often slow to heal?

HINT Think about how nutrients and oxygen are supplied to those tissues.