Why do camels have big nostrils?

The purpose of the nostril is to keep the inhaled air warm and moist. Since camels live in deserts and the air is already quite warm, the nostrils are large. read more

Camel have big nostrils because as we know camel is a desert animal , they are adapted in sand ,to protect their eyes from sand and dust particles they have big nostrils. read more

Yes, in fact they can because it is so windy and sand blows every where that a camels nostrils were made so that sand could not go through their nostrils and into their respiratory system. read more

For example, a human nose has only two square inches of interior surface area, while the camel has an incredible 155 square inches of mucous membrane on the nasal interior. The camel's nose acts as both a humidifier and a dehumidifier with every breathing cycle. The hot, dry air that is inhaled passes over the 155 square inches of moist membrane. read more