a particular complex anatomical part of a living thing and its construction and arrangement

tough elastic tissue; mostly converted to bone in adults

a flap of cartilage that covers the windpipe while swallowing

the externally visible cartilaginous structure of the external ear

a small cartilaginous flap in front of the external opening of the ear

a cartilaginous structure at the top of the trachea; contains elastic vocal cords that are the source of the vocal tone in speech

the cartilages that connect the sternum and the ends of the ribs; its elasticity allows the chest to move in respiration

tough elastic tissue; mostly converted to bone in adults