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 program. Mermaids: The Body Found Mermaids is a science fiction program styled as a documentary originally aired as Mermaids: The Body Found on American TV channels Animal Planet (May 27, 2012) and Discovery Channel (June 17, 2012). It tells a story of a scientific team's investigative efforts to uncover the source behind mysterious underwater recordings of an unidentified marine body. The show presents the controversial aquatic ape hypothesis as evidence that mermaids exist, along with a digitally manufactured video. A sequel broadcast called "Mermaids: The New Evidence" aired May 26, 2013. "Mermaids: The Body Found", its sequel "Mermaids: The New