Which type of synovial joint is multiaxial?

A) Plane
B) Condylar
C) Saddle
D) Pivot
E) Ball-and-socket

Which male reproductive organ is responsible for the maturation and storage of sperm?

A) The prostate gland
B) The epididymis
C) The corpus spongiosum
D) The testis
E) The seminal vesicle

In 1980 Lech Walesa led 17,000 Polish workers to conduct a sit-down strike to demand the right to form free labor unions independent of the Communist Party. This has become known as the ____________________________ movement.