The difference of the apollo 11 astronauts wand the Apollo 17 astronaut was that in Apollo 17 astronaut Harrison Schmitt was a scientist, while All in the Apollo 11 were astronauts.

The astronauts entered the Apollo spacecraft by a hatch.

The question is not clear, there were three astronauts at a time in a Apollo mission , and there were 11 Apollo missions.

Yes the Apollo 13 astronauts did very well survive the Apollo 13 blast.

Yes all the Apollo astronauts were men.