That depends on how hard you fall and on what surface. The injury could be anything from a small bruise that will heal shortly to very serious knee damage resulting in micro fracture knee surgery.
Mitosis is the process of cell division to repair and regenerate tissue, so yes, mitosis occurs when you scrape your knee as the body works to heal the damaged tissue. New cells are produced through mitosis to replace the damaged ones.
probably the kneecap it depends how you fall
The word "barked" in this context means to "scrape some skin off". A skinned knee.
An abrasive injury, for instance, a skinned knee from falling on the sidewalk.
Symptoms of a damaged/torn meniscus could be knee pain, swelling of the knee, tenderness when touching the meniscus, popping or clicking with the knee, and limited motion of the knee joint.
juvinille arthritis
They only replace one of the condyles in the knee, typically the medial condyle, if it has damaged cartilage.
It hurts because there are "nerve receptors" at the end of your knee, and when you bump or scrape your knee, the nerve endings send a "signal" to your brain saying, "STOP THAT IT HURTS!" so therefore you basically experience pain.
I need tips for my knee at home
They could get damaged, if you scrape them with enough force.
medial collateral
I have no idea who made this project up, but I know for sure that they are looking at animal wounds. My dog has a scrape on her knee!