The lungs are lined with epithelial cells:)
Everything we have today is because of the industrial revolution
The carbon cycle is a cycle the reuses carbon ( Carbon is never used up )it is constantly being reused and added to but never decreases.
Kingdom because there are 3 kingdoms - Eukarea, Prokarya and Archaea
Answer:
Why do marathon runners collapse and die? Some of the reasons why marathon runners often collapse near the finishing line is because the build-up of lactic acid in the blood during the run triggers abnormal heart rhythms and also exhaustion, emotional stress, dehydration and heat stroke
