The ends of the femur are covered in a smooth, slippery substance called articular cartilage. This cartilage protects and cushions the bone when you bend and straighten your knee. The normal anatomy of the knee.
Explanation:
List another name for the larynx and the importance it plays in the human body. The larynx is also called the voice box. While its main function is to allow a person to speak, it also protects the trachea.
You could run 30 minutes and burn a lot of calories. Its not healthy to run more than an hour if you don't do it regularly though. Studies show that you can lose more calories bicycling than you can running.
I do parkour and have burned A LOT of calories from that.
hope this helps!
