Fetal pigs are used in elementary as well as advanced biology classes as objects for dissection. Pigs, as a mammalian species, provide a good specimen for the study of physiological systems and processes. This article or section does not cite any references or sources. ... Dissected rat showing major organs. ... This article needs additional references or sources to facilitate its verification. ... Orders Subclass Monotremata Monotremata Subclass Marsupialia Didelphimorphia Paucituberculata Microbiotheria Dasyuromorphia Peramelemorphia Notoryctemorphia Diprotodontia Subclass Placentalia Xenarthra Dermoptera Desmostylia Scandentia Primates Rodentia Lagomorpha Insectivora Chiroptera Pholidota Carnivora Perissodactyla Artiodactyla Cetacea Afrosoricida Macroscelidea Tubulidentata Hyracoidea Proboscidea Sirenia The mammals are the class of vertebrate animals primarily characterized by the presence of mammary... In biology, a species is one of the basic units of biodiversity. ... Physiology (in Greek physis = nature and logos = word) is the study of the mechanical, physical, and biochemical functions of living organisms. ...

Fetal pigs are the by-product of the meat packing industry and their large size makes them a good choice for study. They also allow for the study of fetal circulation, which differs considerably from that of an adult. Human fetus at eight weeks. ... The circulatory system or cardiovascular system is the organ system which circulates blood around the body of most animals. ...

Dissected fetal pig, showing the thoracic cavity, including the rib cage, the heart in the pericardium, the lungs, the diaphragm, part of the liver, and all those organs under the neck.

The size of the fetal pig depends on the age it was allowed for the mother to gestate: Image File history File links Download high resolution version (2272x1704, 778 KB)Dissected fetal pig, showing the thoracic cavity, including the rib cage, the heart in the pericardium, the lungs, the diaphragm, part of the liver, and all those organs under the neck. ... Image File history File links Download high resolution version (2272x1704, 778 KB)Dissected fetal pig, showing the thoracic cavity, including the rib cage, the heart in the pericardium, the lungs, the diaphragm, part of the liver, and all those organs under the neck. ... Gestation is the carrying of an embryo or fetus inside a female viviparous animal. ...

Sometimes, fetal pigs are preserved in formaldehyde, a carcinogenic substance. They can be ordered for a little over $25 at biological product companies with preservatives that cause less damage to the skin. Nevertheless, gloves and goggles should always be worn when dissecting a fetal pig. Possibly the most disgusting experiance of my life. The chemical compound formaldehyde (also known as methanal) is a gas with a pungent smell. ... In pathology, a carcinogen is any substance or agent that promotes cancer. ...