question_answer

Sam observed that each human being has a nose with two openings. He tried to find out why it is so. Which one of the following conclusions is the possible reason?

A)  Our body developed a nose with two opening, one for inhale and other for exhale

B)  We inhale about 11000 litre of air per day, with one opening it was not possible

C)  Our body has developed such a nose in order to better filtration of air, and to prevent the larger particles from entering into respiratory system and for better protection

D)  Our body developed such a nose to look beautiful

E)  None of these