It is normal for a baby's bilirubin level to be a bit high after birth. When the baby is growing in the mother's womb, the placenta removes bilirubin from the baby's body. The placenta is the organ that grows during pregnancy to feed the baby. After birth, the baby's liver starts doing this job.
Scientific classification of Species Homo Sapiens(scientific name for humans) belongs to genus Homo having class Mammalia and kingdom Animalia is shown below in given picture. The evolution of Homo Sapiens(scientific name for humans) of genus Homo can be divided roughly into three periods: 1. Early Homo.
In common usage, the word human generally refers to the only extant species of the genus Homo â anatomically and behaviorally modern Homo sapiens. Its usage often designates differences between that species as a whole and any other group or entity.he rapid advancement of scientific and medical understanding in the 19th and 20th centuries led to the development of fuel-driven technologies and improved health, causing the human population to rise exponentially. By 2014 the global human population was estimated to be around 7.2 billion.