The correct answer is that the <span>Turtles have a partial septum in their ventricle.
A septum is responsible for separating the two ventricles in a turtle's hurt, same goes for the humans. Wherein it divides two parts of the heart, the left and right ventricle in the heart.</span>
Hiccups are caused by not having enough air. Scaring some one causes them to take a deep breath getting more air and stopping the hiccups. Not 100% sure that's right though.
For which virus is the mosquito not known as a possible vector?
Smallpox is the virus that mosquitos are not known as a possible vector.