### Educational Resource: Dissection of Mammalian Thoracic and Abdominal Organs This image depicts the dissection of a mammalian specimen, focusing on the thoracic and abdominal cavities. The exposure reveals key internal organs and allows for the study of anatomical structures. #### Key Anatomical Structures Identified: - **A**: This label points to a structure located in the abdominal cavity, adjacent to the liver. It is crucial for the digestive system. - **B**: This label points to the liver, a vital organ involved in numerous metabolic processes, including detoxification, protein synthesis, and production of biochemicals necessary for digestion. #### Detailed Explanation: Upon examining the dissection, several anatomical features are visible: 1. **Liver (B)**: Located in the upper right quadrant of the abdominal cavity, the liver is a large, reddish-brown organ. It plays a significant role in metabolism, glycogen storage, and blood detoxification. 2. **Structure A**: This appears to be part of the small intestine (possibly the duodenum) or a related digestive structure. It is situated close to the liver, and its exact identity can be clarified through referencing anatomical charts specific to the species being studied. #### Vascular and Nervous Links: The dissection shows several blood vessels and possibly nerves running through and around the dissected areas, indicating the integration of these organs within the circulatory and nervous systems. Use this dissection image to better understand the spatial relationships and physical characteristics of mammalian internal organs. This kind of dissection is invaluable for anatomy studies and can significantly aid in comprehending physiological functions. For a more comprehensive understanding, it is recommended to supplement this image with detailed anatomical diagrams and cross-sections from reliable educational resources. Additionally, performing guided dissections under supervision can provide practical experience and deeper insights. **Question:** Which heart chamber (A) or (B) is used to pump blood throughout the body of the pig? **Options:** - ⭕ B - ⭕ A --- In this question, students are queried about which heart chamber is responsible for pumping blood throughout the body of a pig. The options provided are labeled "A" and "B." When answering, students should recall that in mammals, including pigs, the left ventricle of the heart is responsible for pumping oxygenated blood to the entire body. Therefore, the correct response would be the chamber equivalent to the left ventricle, which should correspond to either chamber A or B as depicted in the full context of the educational material.