Which of these is NOT part of the digestive system?
Correct answer: Trachea

Marcy
So useful Trachea's mucus capture micro organism before they can enter the lungs coz Trachea is the responsible for the air that pass to and from the lungs

Queen
I have never seen esophagus spelled that way.

UNIK
I know answer but some time my poor English problem

Giggle pig
Queen, me too! I’m 61 and I’ve never seen it like that. I think someone’s outsmarted themselves.

John
Trachea is even in the Respiratory

Breathe Easy
Meh, British spelling and pronunciations are a direct result of capitulation to their overlords and petty agreements with those south of them (enter France) that are the epitome of capitulation.

Jerry
The spelling 'Oesophagus' is in my keyboard suggestion though.

DebbieC
Big daddy , because it’s proper English, not American! Lol 😜

Joy
Queen, because it’s not

marimargo
My trachea needs to do a better job. I keep getting pneumonia.

Big daddy
Queen, that is how they spell it in England

Ashna
Queen, I've seen

elise lily harris
topsy and Tim rice pudding and the same way

JHun
i think "esophagus", not "Oesophagus".

JHun
i think "esophagus"

sensei.
I've never seen esophagus spelled with an O. therefore, it is wrong. Right?