Suppose two people experience the same painful stimulation (e. g., putting their hand in a bucket of ice water for one minute), but one feels less emotional unpleasantness than the other. Activation of which brain area probably differs between the two people?

A. Extrastriate body area (EBA)
B. Anterior cingulate cortex (ACC)
C. Prefrontal cortex
D. Primary somatosensory cortex (S1)
E. Secondary somatosensory cortex (S2)

white blood cells or wbc s are mainly 2 types-

1.agranulocytes

2.granulocytes

the monocytes or macrophages of agranulocytes , dendritic cells which are accessory leucocytes, and b cells which is one type of lymphocytes   identify the antigens present on the pathogen's surface. these three cells are called antigen presenting cells(apc) which are phagocytes and destroy the antigens by secreting antitoxins. besides this leukocyte is always plays vital role in the immunity of the body.

the areas around the equator

a = executive branch; b = judicial branch