ELI5, if you get an injury underwater (say in the ocean) that opens the skin and bleeds, what stops your body from intaking water?

Question

ELI5, if you get an injury underwater (say in the ocean) that opens the skin and bleeds, what stops your body from intaking water?

In: 1476

Answer 1

I just saw a story of a 41 year old guy in El Cajon who went into a pond after his dog and got an open wound infected. He ended up dying a few days later.

So you won’t take much water in, but gunk permeates.