The human body comprises an estimated 37.2 trillion cells, and each cell type has a unique function. Understanding the complexity of the human body at the cellular level has been challenging, but is crucial for the advancement of medical science. The Human Cell Atlas consortium was founded in 2016 with the aim of building a biological atlas of every cell type in the human body; the consortium consists of more than 3,600 members in 102 countries, who contribute data related to 18 biological netwo