Have you ever wondered (1) ____________ everyone's nose is a different shape? Researchers have come up with a (2) ____________ explanation for this. A study from Pennsylvania State University in the USA says the Earth's climate could have (3) ____________ to do with the shape of our nose. The study found that people who have wider noses usually live in warmer, more (4) ____________ areas. People with narrower noses are more (5) ____________ found in colder and drier climates. The nose plays an important function in making (6) ____________ the air we (7) ____________ reaches our lungs in a warm and moist condition. The width of the nostrils and length of the nose help to make sure this happens. Researchers said the nose is a (8) ____________ like a temperature controller. The researchers used 3D images to (9) ____________ the noses of more than 2,600 people from Africa, Asia and Europe. They measured the width of the nostrils, the (10) ____________ between nostrils and nose height. The researchers said their findings could help people who move to different climates to (11) ____________ to the heat or cold, and the humidity. This could help reduce (12) ____________ problems. Study co-author Dr Arslan Zaidi said increased travel and climate change make it difficult to (13) ____________ if our nose will change shape in the future. He said: "Our lifestyles aren't what they (14) ____________ to be. We move around the world (15) ____________ too much. That makes it very complicated to predict the future (16) ____________ of the nose with the changing climate."
Word Bank:
distance / respiratory / evolution / measure / way / predict / adjust / something /sure / possible / /little / commonly / breathe / why / humid /