It depends if you are running or jumping ?
Cartilage is the connective tissue responsible for providing cushioning for the bones, joints, as well as providing structure for soft tissues and protection and flexibility.
Costal cartilage for for example forms the anterior portion of the ribs and allows for the ability to breath. The nose and ears are also formed by and structured with cartilage.
False.........................
Answer: Circulatory system!
Explanation: The digestive system works with the circulatory system to distribute nutrients to a body for energy and health :)