How do reptiles (eg turtles and crocodiles) breathe underwater? Reptiles have lungs and so they have to return to the surface of the water regularly. Crocodiles adapt – like whales and dolphins – to their habitat: they only use their ...

Symptoms of dust mite allergy include sneezing, runny nose, itching and nasal congestion. If you have asthma, dust mites can cause more wheezing and asthma requires more medication. You may experience more asthma symptoms at night when you lie in ...