Which of the following organ is spared from vasoconstriction during hypovolemic shock?

In severe hypovolemic shock, tachycardia is replaced by bradycardia. Vasoconstriction is generalized, sparing only the vessels of the brain and hea. This widespread reflex vasoconstriction also helps in maintain the filling pressure of the hea. Ref: Ganong Review Of Medical Physiology By Barrett, 2010, Page 516.