The correct option is B Adrenal medulla
Endocrine
gland for combating emergency is adrenal medulla. Hormone secreted during
emergency is adrenaline. It is released from adrenal medulla which is the
internal or inner part of the adrenal gland. Adrenaline is also called
epinephrine. It is released during stress of any kind or emergency situations
and is therefore called as emergency hormone and adrenal gland is called
emergency gland. It also prepare the body during the fright, fight hence also
called as 3F or fight, fight hormones. Adrenaline have effects on different
organs of the body. It increases the heart beat, the strength of heart
contraction and the rate of respiration. It increases the sweating,
piloereaction (raising of hair), alertness and pupilary dilation. It also stimulates
the breakdown of glycogen resulting in an increased concentration of glucose in
blood. It also stimulates the breakdown of lipids and proteins.