What are the air sacs in the lung called?

Wow, 6 million! That's amazing! There has to be a God to have made us with all our perfect yet complicated systems.

dolphinmn, play?? You really think the small intestines in one human being are between 1500 miles and 3000 miles long?

Roo, nothing comes for nothing, there must a God, a creator who mastered every creation, evolution is just an escape to deny believing in God, though it's a fact but must stay within the context of creating to be viable and not the opposite

missy189 : 600 million!

nani24, Does it all prove there is a 'god'... or does it prove that evolution develops an organism to thrive in its surroundings to its full potential?

missy189, Aliens actually

What a crock of tripe spewed from brooksy92492.

Player #2990031you a, me also