Use your understanding of gravity to explain why an extraterrestrial from a planet with a mass four times our earth would be an incredible UFC (ultimate fighting, but you can think restling or any other strength based sport) fighter.

Anurse is caring for a 42-year-old client who is scheduled for an amniocentesis during the fifteenth week of gestation because of concerns regarding down syndrome. what other fetal problem does an examination of the amniotic fluid reveal at this time?