The oxygen exchange in the lungs takes place across the membranes of small balloon-like structures called alveoli attached to the branches of the bronchial passages. These alveoli inflate and deflate with inhalation and exhalation. The behavior of the alveoli is largely dictated by LaPlace's law and surface tension.
John Adams and his wife Abigail had six children. His oldest daughter, Abigail, was born in 1765, and future president John Quincy Adams was born in 1767. A second daughter, Susanna, was born in 1768, followed by Charles in 1770, Thomas Boylston in 1772 and Elizabeth in 1777. Continue Reading.
John Quincy Adams is the only president to wed a foreign-born wife. He met Louisa Catherine Johnson, daughter of an American merchant who was married to an English woman. They met as children (Louisa was only four years old) in France, and years later, they met again with Louisa as a young woman of 22.