Collection box for Massachusetts Anti-Slavery Society. Circa 1850. Abolitionism is a movement to end slavery, whether formal or informal. In Western Europe and the Americas, abolitionism is a historical movement to end the African and Indian slave trade and set slaves free.
Eustachian tubes lead to the eardrum. The name for the throat of the from is the gullet.
What does the Eustachian tube do? The Eustachian tube is normally closed but opens when we swallow, yawn or chew. This allows air to flow into the middle ear and any mucus to flow out. This keeps the air pressure equal either side of the eardrum.