B is correct. Krypton is a noble gas which has a full outer shell of 8 electrons and is generally unreactive because of it.
1) Pneumothorax in this case; a spontaneous pneumothorax can be life threatening cause the lung will eventually cause vacuum used by the lung to fill with air, and as you constantly expand your lung it decreases and collapses. So C is going to be the answer.
2) Acetylcholine is the hormone responsible for the "Rest and digest". It is the direct opposite of the Fight and Flight reaction which is marked in Bronchodilation, Increased HR, and increased BP. B
3) Secretin is responsible for stimulating the release of bile by the liver. Secretin is released by the duodenum, the junction of the stomach and small intestines. B
Hey there,
It is the Turbine and also the generator that converts the movement of water.
Hope this helps
~Jurgen
D. Muscles are the only tissue in the body that can contract, and are responsible for all movement.
