The answer is the cardiovascular system. The circulatory system, additionally called the cardiovascular system or the vascular system, is an organ system that grants blood to flow and transport supplements, oxygen, carbon dioxide, hormones, and platelets to and from the phones in the body to give sustenance and help in battling sicknesses, settle temperature and pH, and look after homeostasis
D-cartilage
Cartilages are soft connective tissues which provide flexibility to certain organs. You can feel it by touching you ear pinna that it is hard and flexible but not fleshy.
Hope I answered the question .
