From tbdanny at hotmail.com Wed Sep 20 06:18:08 2006 From: tbdanny at hotmail.com (Danny TB) Date: Wed Sep 20 08:08:10 2006 Subject: [Cardiovascular-research] Heavier atmosphere and lungs Message-ID: If a human-like organism evolved in an atmosphere that was, for example, twice as dense as that of Earth, would it's lung capacity be greater or less than that of a human?