A baby
This would follow the same principal as swallowing when your upside down. Because humans swallow because of muscles in the pharynx and esophagus, not because of gravity, it must possible to choke when you are upside down.
it might be choking, turn it upside down and preform cpr, if this dosen't work just put it in the oven, it is quicker than choking.
"Pre-dropped."
An upside down uterus, also known as a retroverted uterus, typically does not affect the baby's ability to come out. The uterus is designed to expand and contract during childbirth, allowing the baby to move through the birth canal. This anatomical variation should not present a barrier to a successful delivery.
Upside down is relative to which way you flip the coin. If flipping from top to bottom, the eagle should be upright. If flipping from side to side, the eagle should be upside-down. If the eagle is truly upside down from the way it should be, AND the coin has not been altered, then it could be worth a couple of hundred dollars.
Take a pyramid and turn it upside down so it is balanced on the point (pointed top), you have now turned a 3D shape upside down. Basically, upside down is to reverse the way the shape should normally appears.
hanging upside down
hanging upside down
Wild Animal Baby Explorers - 2010 Eggciting Eggs Upside Down 1-26 was released on: USA: 2011
Etiquette dictates that a national flag should never be shown upside down. It is a sign of distress to fly a flag upside down.
Take a pyramid and turn it upside down so it is balanced on the point (pointed top), you have now turned a 3D shape upside down, vertically. Basically, upside down is to vertically reverse the way the shape should normally appears.