Multiple ChoiceAs blood flows away from the heart, which of the following correctly describes the sequence of blood vessels it passes through?62views
Multiple ChoiceWhich of the following symptoms most likely indicates a possible circulatory problem?56views
Multiple ChoiceWhich type of epithelial tissue would you suppose covers the gills of axolotls? 992views
Multiple ChoiceWhy do larger animals, such as a bullfrog, require a circulatory system, while animals such as a planarian do not? 1882views
Multiple ChoiceIn which animal does the circulatory system include a heart and a system of closed vessels? 1423views
Multiple ChoiceIn a fish, blood circulates through __________, whereas in a mammal, it circulates through __________. 1311views
Multiple ChoiceWhat is unique about blood in pulmonary arteries compared with blood in other arteries? 1820views