Paano Maiiwasan Ang Ipo-ipo?

I just translated this question, but I'll be giving you English answer so just translate it as well in your language.

In a residence with no basement, a dorm, or an apartment: Avoid windows. Go to the lowest floor, small core room (like a bathroom or closet), beneath a stairwell, or in an indoors hallway with no windows. Crouch as low as feasible to the floor, going through down; and cover your head with your hands.

the answer is d (apex) good luck : ))

"a.) well–developed vascular system."