These findings may also shed light on the mysteries of human evolution , and why Neanderthals had a big nose .

Modern humans have smaller nose that ancient humans , including Neanderthals , which are the closest extinct relatives of modern humans . Scientists have suggested that the size of the human nose is linked to the amount of oxygen your body needs , the skeletons of ancient humans suggest that had larger than modern human body masses and , therefore , needed some graves larger to help provide a higher level of oxygen to your muscles big nose .

Researchers analyzed when it begins to differentiate the size of the nose by sex. 18 women and 20 men all volunteers, all of European descent , based on nearly 300 data points in X -rays and other physical examinations obtained from 3 years to 20 from Study of Facial Growth Iowa were taken .

The researchers found that men and women had similar sizes of the nose when they were young . However, usually male noses comienzaban to grow the female during adolescence , coinciding with that men generally consume more oxygen and energy to the females reach puberty. It was found that male noses were , on average, 10 percent larger than the female.