The correct option is B i-b , ii-c , iii-e , iv-a , v-d
∙ Insulin is a hormone made by pancreas. It keeps our blood sugar level in check.
∙ The male sex hormone is testosterone and the female sex hormone is estrogen.
∙ Adrenaline is secreted by adrenal gland which is released during emergency situations.
∙ The growing voice box in boys can be seen as a protruding part of the throat. This is called the Adam's apple.