Space, the final frontier-WHY IS EVERYTHING FLESHY?! | Dead Space Remake part 5

Moist is not what you expect when you embark into space. But it seems that the Ishimura has a moisture problem because there is MOIST FLESH ALL OVER PART OF THE SHIP WHAT THE CRAP. Why, praytell, are there FLESHY growths all over the ship?? It's like the fungus stuff from the Metro Exodus DLC "the Two Generals." Necromorphs are one thing, but flesh with no apparent body ARE ANOTHER