Nova - official website | human: series overview, Becoming human part 1. first steps: six million years ago, what set our ancestors on the path from ape to human? airing august 31, 2011 at 9 pm on pbs. Scary parasites human body | strange true facts, Parasitism is a present or existing on both sides relationship between different species of organism where one organism, the parasite, benefits at the expense. Urination - wikipedia, Urination is the release of urine from the urinary bladder through the urethra to the outside of the body. it is the urinary system's form of excretion..
Bbc - science & nature - human body mind - body, Learn body bbc science & nature' guide.. http://www.bbc.co.uk/science/humanbody/body/ Human - wikipedia, In common usage, word "human" generally refers extant species genus homo—anatomically behaviorally modern homo sapiens.. https://en.wikipedia.org/wiki/Human Body - definition body free dictionary, When afternoon' adventures told, family felt inclined visiting body, attractive big house . http://www.thefreedictionary.com/body