Question: Answer this question: where is testosterone produced?
Answer: In men, testosterone plays a key role in the development of male reproductive tissues such as the testis and prostate as well as promoting secondary sexual characteristics such as increased muscle , bone mass, and the growth of body hair .

Question: Answer this question: what is the format of the canadian citizenship test?
Answer: The test is available in both French and English , the official languages of Canada .

Question: Answer this question: What is the name of the late Major League  old professor?
Answer:
Charles Dillon "Casey" Stengel (; July 30, 1890 – September 29, 1975), nicknamed "The Old Perfessor", was an American Major League Baseball outfielder and manager .