Human body of different cavities, separated areas which house different organ systems. The brain and central nervous system reside in an area protected from the rest of the body by the blood brain barrier. The lungs sit in the pleural cavity. The intestines, liver, and spleen sit in the abdominal cavity Height, weight, shape and other body proportions vary individually and with age and sex. Body shape is influenced by the distribution of muscle and fat tissue. Human physiology is the study of how the human body functions. This includes the mechanical, physical, bioelectrical, and biochemical functions of humans in good health,
Mermaids: The Body Found of "Animal Planet's" largest audiences ever. "Mermaids: The Body Found" received 1.9 million views during its US telecast premiere on Sunday, May 27, 2012. This is the network's most watched telecast since the Steve Irwin memorial special in September 2006. "Mermaids" Animal Planet has been criticized for giving the impression of being an actual documentary, when in fact much of the material was made up, and the scientists shown were actors. Publicity for the program included a website falsely claiming government seizure of the site's domain, and the US National Oceanic and Atmospheric Administration put up a rebuttal to the