Re: What happens to the person in space in a space suit if it's punctured?

You are correct! A person would not explode. The rapid change in pressure could cause some swelling of the tissue but a person would stay conscious for a several seconds until the oxygen in their blood was consumed.

Death would occur by asphyxiation and not from explosion.

Here are some sites that have more information, including actual examples of spacesuit leaks and survival of rapid decompression.

http://www.hq.nasa.gov/osf/qanda.html#16

http://www.sirius.com/~treitel/rass/invacuo.html