Mei Li:
"What part of speech are the words, ""and"", ""or"", and ""but""?"?
Shuai Zheng:
conjunction
Mei Li:
Who was the U.S. President during WWI??
Shuai Zheng:
woodrow wilson
Mei Li:
What is the thin muscular sheet that separates the thoracic cavity from the abdominal cavity??
Shuai Zheng:
thoracic diaphragm