Surfactant is a complex substance containing phospholipids and a number of apoproteins. This essential fluid is produced by the Type II alveolar cells, and lines the alveoli and smallest bronchioles.
William and Anne Shakespeare had three children. Their first child was Susanna, born a mere six months after the wedding of her parents. She was christened on May 26, 1583, and twins arrived in January, 1585.
In the mid-sixteenth century, William Shakespeare's father, John Shakespeare, moved to the idyllic town of Stratford-upon-Avon. There, he became a successful landowner, moneylender, glove-maker, and dealer of wool and agricultural goods. In 1557, he married Mary Arden.