Inform. 1  Edgar Veytia, attorney general for the Mexican state of Nayarit, has been arrested by federal agents in San Diego and is being held on an indictment on charges that he conspired to smuggle heroin, cocaine and methamphetamine into the U.S. ...
Squids have three hearts. Squids are part of the class of animals called Cephalopods, and almost all of these creatures have three hearts. They also have blue...
You may need to use pins to keep the body tube open. 4. Use the illustrations and Table 11.2 to identify the following selected internal structures of the squid and familiarize yourself with their functions: gills, esophagus, stomach, pancreas, liver, anus, testis (male only), ovary (female only), ink sac, siphon retractor muscles, kidney, systemic. heart, branchial hearts, caudal (posterior) vena cava, and . cranial (anterior) vena cava. Cephalopods have the most efficient circulatory system of all molluscs, supporting the relatively high metabolic needs associated with swift-moving, active predators. They are unique among molluscs in having a