They do not have lungs. They have gills tat help them get the oxygen out of the water around them.
This would be an organ system because an organ system is an anatomical system that consists of organs that are responsible for different body functions
In 1968, Brezhnev ordered the soviet army and troops of other eastern European nations to crush a liberal communist regime in : B. Czechoslovakia
He ordered about 500,000 troops to invade Czechoslovakian Borders using the Blitzkrieg approach
hope this helps
Answer:
it was b!!!!!!!! i took the test
