The Kidney and Its Working UnitUnit 5 Unit 5 肾脏和它的功能单位肾脏和它的功能单位An Interesting PhenomenonHow to Process Body FluidGutBloodKidneythe Chemical UrineActually, the chemical is acted on no faster than any other compound. The key to a kidneys rapid functioning lies in its complicated internal structure and in the efficient plumbing system of which it is a part.act on: carry further or advance. 对.起作用Eg: The bowling ball has a greater mass, so theres more stuff for gravity to act on.no+比较级+than.这类结构的实际意思是对待比较的两个对象进行否定，相当于该原级形容词或副词的反义词使用asas结构的意思。 no better than = as bad as 与一样不好 no faster than = as slow as 与一样不快 no taller than = as short as 与一样不高 He is no cleverer than her. 他与她一样不聪明(即一样愚)。 Hes no richer than a beggar. 他同乞丐一样穷，即穷如乞丐。The Kidneys and Other Organs of the Excretory The Kidneys and Other Organs of the Excretory SystemSystem1.The Excretory System1.The Excretory SystemTwo KidneysTwin branches main blood vesselUreterBladderUrethraThe Kidneys2.Physiological Function To carry out its vital blood-filtering activites. To maintain the balance of the water, electrolyte and acid-base.two plump, dark red and crescent-shapedThe Structure and the Process of The Structure and the Process of the Excretory Systemthe Excretory Systemrenal arteriesrenal veinsureterbladderurethra3.Anatomical Features renal cortex renal medulla renal pelvis The KidneysReaborptionReaborptionSecretionSecretionFiltrationFiltrationThe Kidneys Three Basic ProcessesThe Nephron: Working Unit of The Nephron: Working Unit of The Nephron: Working Unit of the Kidneythe Kidneythe Kidney肾的相关单词kidney 肾renal 肾的renal artery 肾动脉renal vein 肾静脉nephron 肾单位其它相关器官其它相关器官gut 肠子bladder 膀胱尿的相关单词urine ureaurinationurinateureterurethraNon-restrictive Attributive Clauses非限定性定语从句起补充说明作用，缺少也不会影响全句的理解，在非限定性定语从句的前面往往有逗号隔开，如若将非限定性定语从句放在句子中间，其前后都需要用逗号隔开。which引导的非限定性定语从句是用来说明前面整个句子的情况或主句的某一部分。eg:我哥哥在国外工作，他下周将回来。My brother, who works abroad, is coming next week. 限制性与非限制性定语从句区别1.限定性定语从句: 从句不能省略,如果省略整个句子意思不完整。非限定性定语从句: 从句可以省略,如果省略整个句子意思仍然完整 。2.限定性定语从句:先行词可以用that 引导。非限定性定语从句: 先行词不可以用that 引导。3.限定性定语从句:引导词有时可以省略。非限定性定语从句:引导词不可以省略。4.限定性定语从句:主句与从句不需要用逗号隔开。非限定性定语从句:主句与从句需要用逗号隔开。5.限定性定语从句: 从句只修饰先行词。非限定性定语从句:从句既可以修饰先行词，也可以修饰整个句子或句子的一部分。6.限定性定语从句:不能修饰一个事件。非限定性定语从句:可以修饰一个事件。Thanks for Your Attention!Unit 5 kidneyMake Presentation much more fun