Unit+5+心脏.ppt

Susan: Not a great start for little Annie. Alice: Not a great finish either. At least she would not live long enough to find out what her mother did to her. Susan: You have such a sunny way of looking at things, Alice. Alice: Hey your job is to tuck her into a crib and break her fever. My job is to find her a foster home with loving parents. Which one os us has a better chance? tuck 塞，挤 crib (有围栏的)儿童床； In the lung then you have the exchange of CO2 and nutrients into high rich O2 which is what the heart and body needs. It comes back to these four pulmonary veins that you see here in red. pulmonary veins 肺静脉 These four pulmonary veins bring blood oxygenated back into the left atrium. The left atrium then receives that fresh oxygenated blood. oxygenated 和氧化合过的 It then goes through the left AV valve, called the bicuspid. And then it comes right down into the left ventricle. bicuspid二尖瓣 Again once the left ventricle fills up with blood, the AV valve will close up, preventing back flow. And then blood will go to the aortic semilunar valve, which then goes directly into the aorta. The aorta then takes blood to the rest of the body. aortic semilunar valve主动脉瓣 aorta主动脉 Movie A Place for Annie Blank Filling (P79) A: If that kid rips her tube out one more time, I will scream. Good morning, Susan. Susan: Morning. rip… out:剥去，拆去，割掉，扯掉 Alice: Well, so she (1) ________________ from Ellington community. Susan: Hey, I am (2) _____________________. Why can’t they keep her? Alice: She (3) ________________________. You can guess the rest. spike挫败 is on her way here stretched to the limit spiked a fever, ear infection Susan: They want to (4) __________ before it gets serious. Alice: Exactly, she’ll be your first (5) _________________. dump 抛弃 pediatric 儿科学的，小儿科的 dump her pediatric AIDS case Susan: Annie Marston, eight weeks old. Mother? Alice: IV drug abuser. Disappeared two days after the baby was born. Annie also came into this world (6) ________________. She’s al