Penicillin, the first true antibiotic, was discovered in 1928 by Alexander Fleming, Professor of Bacteriology at St. Mary’s Hospital in London.

The pancreas is a glandular organ in the upper abdomen, but really it serves as two glands in one: a digestive exocrine gland and a hormone-producing endocrine gland.

The largest cell in the world is an ostrich’s egg. Before fertilization, the entire interior of the egg consists of a single cell, which is approximately 15 cm long and 13 cm wide and weighs up to 2.3 kgs (5 pounds).