The actress Kate Winslet can hold her breath for seven and a quarter minutes. A crocodile, though, can hold his breath for hours.
Kate Winslet, and other actors, for the sake of “the newest frontier in blockbuster moviemaking” are learning to hold their breath for several minutes.
The pharynx affords us the abilities to breathe and swallow, but it does much more. It affords the ability for speech, language, and singing.
There are individual systems that are irreducibly complex, and these are joined together into a higher-level system of systems.
To be alive, every cell in your body needs solutions to a complicated set of problems.