Compound lipids are a diverse group of lipids that contain additional functional groups, such as phosphoric acid,...
respiration
Internal and external respiration Internal and external respiration are two processes involved in the exchange of gases...
Tadpole The young toad called tadpole uses gills for gaseous exchange. At the tadpole stage, the animal...
Respiratory system includes all the organs and tissues associated with the exchange of gases between an animal...
