406 QUESTIONS ON 



205. How is the heart situated ? What is its beating ? 



206. How is the heart divided ? 



207. What are the other divisions of the heart? 



208. What are the valves ? How do they act? 



209. What are the sets of blood vessels ? "What relations have they 

 to the heart? The body ? 



210. Describe the arteries. 



211. What is the aorta? What its divisions? 



212. Describe the subclavian arteries. 



213. Describe the arteries of the neck, head, and face. 



214. What are the inguinal arteries? the femoral? How are the 

 arteries finally distributed ? 



CHAPTER II. 



215. What are the veins? 



216. What is the vena eava? What are its offices? 



217. What are the large branches of the veins? 



218. How are the veins finally distributed ? 



219. How are the arteries or veins arranged in respect to each other 1 



220. What is the capillary system? 



221. What is the general circulation? 



. 222. Where are the arteries situated? Why? When is pulsation 

 felt? 



223. Where are the veins situated ? Why ? 



224. How does the blood pass from the left to the right side of the 

 heart? How from the right to the left? 



225. Describe the pulmonary arteries. The pulmonary veins. 



226. Describe the double circulation. 



CHAPTER III. 



227. By what force is the blood conveyed through the arteries ? 



228. How and upon what does the heart act? 



229. What prevents the blood from flowing backwards? 



230. How are the arteries distributed? What produces their beat- 

 ing? 



231. How is blood moved through the arteries? 



232. How much blood in a man of average size? In what time 

 does it all circulate through the system? 



233. What circumstances affect the rate of circulation? 



234. Whose pulsations are strong? Whose feeble? Why? 



235. How do mental states affect the circulation? 



236. Is the expansion of the arteries the same in all parts of the 

 body? 



237. How may we arleet the circulation ? 



