This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Fetal pig thoracic cavity. 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 Transferred from org en transferred to Commons by User Sreejithk using de php CommonsHelper Original uploader was Miborovsky