With some species diving to depths of nearly 400 meters, they're able to cope with the mounting pressure by collapsing their pliable rib cage, and compressing a pair of springy lungs.
Yesterday's rain had cleared; the sky was a clear, pale gray, and the grass was springy and damp underfoot as they set off for their first ever Care of Magical Creatures class.
" No, no -here, ebony and unicorn hair, eight and a half inches, springy. Go on, go on, try it out." Harry tried. And tried. He had no idea what Mr. Ollivander was waiting for.
" Not long now, " said Mr Beaver, and began leading them uphill across some very deep, springy moss (it felt nice under their tired feet) in a place where only tall trees grew, very wide apart.
Some dive off the side of a pool. Others dive off a diving board. Diving boards are springy. They are made of a material that can bend. Diving boards are a kind of springboard. They are a board that springs you into the air!