Would you know what to do in the event of an emergency? Dr. Oz gives a lifesaving lesson about what to do when your throat is blocked.

Click here to watch Part 1.

Animation produced by Visible Productions Inc.

After years of trying to get pregnant, doctors told Kelsi Pierce it would be near impossible for her to conceive a child. However, Kelsi got the surprise of her life when her mom volunteered to be her surrogate — and she found out she, too, was pregnant!