4 results for “lungs”

1. Animals

   Insects

   lungs. Air enters through small holes along the sides of the body and travels through tubes

   Article · 3 min read

   

2. Animals

   Reptiles and Amphibians

   lungs, losing their tails and gills, and emerging onto land. Their skin stays thin and moist

   Article · 3 min read

   

3. Animals

   Mammals

   lungs. These traits define the mammals, a group of about 6,500 species that includes the biggest

   Article · 4 min read

   

4. Animals

   Birds

   lungs on both the in-breath and the out-breath, extracting far more oxygen than a mammal

   Article · 3 min read