Identify the two main divisions of the vertebrate skeleton and identify the bones that are representative of each
division. What will be an ideal response?
The two main divisions are the axial and appendicular skeletons. The representative bones
are shown in Fig. 40-5.
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Spina bifida is one of the most common and most complex birth defects involving the ____ system
a. nervous b. circulatory c. respiratory d. digestive e. endocrine
Answer the following statements true (T) or false (F)
1. Frogs have two atria, but only a single ventricle. 2. During their diastole, the heart chambers are contracting. 3. The epithelium lining the circulatory system is termed endothelium. 4. The walls of veins tend to be thicker and more elastic than those of comparably sized arteries.
The distribution of living organisms would be
increased by a. continental drift. b. the formation of Pangea. c. the sea-floor spreading. d. the movement of Gondwana. e. all but “the formation of Pangea.”
Cysticercosis is a result of infection with which species?
A) Enterobius vermicularis B) Taenia solium C) Ascaris lumbricoides D) Taenia asiatica E) Necator americanu