Answer:
The respiratory system works with the circulatory system to provide this oxygen and to remove the waste products of metabolism. It also helps to regulate pH of the blood. Respiration is the sequence of events that results in the exchange of oxygen and carbon dioxide between the atmosphere and the body cells.
Answer:
frog
Explanation:
because as a small tadpole, it breathes underwater and is more like an underwater creature than a land animal. Also it has more differences than alikeness to humans and has 67 different amnio acid differences
Answer
A viroid is the smallest infectious pathogen they are made of insanely small circular RNA molecules(without any protein), they are similar to a virus but they are not the same.
Explanation:
Answer:
I don't know answer ask to amyone