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.
The eustachian tube equalizes the air pressure in your middle ear. The middle ear is an enclosed area; air within it is usually sequestered; this is why changes in external pressure will cause some discomfort.