The correct option is D All 1, 2 and 3
Frontal lobe of cerebrum of brain is responsible for thinking, evaluation of information, judgement, decision making, and planning and response organization i.e. intellectual processes. The cardiovascular reflex center of medulla oblongata regulates the rate and force of heat beat. The thermoregulation centre is present in hypothalamus which maintains the constant human body temperature by regulation of the diameter of blood vessels (constriction or dilation), shivering and sweating mechanism. Thus, correct answer is D.