The second heart sound is caused by ___. Explain the first, second and third sound of the heart. (a) What events produce the four normal heart sounds? (b) Which ones can usually be heard through a stethoscope? What is the first heart sound?
Each sentence contains two words, which sounds familiar. Listen and choose the word that you hear. Mary, have you got the meal yet? We are all waiting absolutely for the boss to come. Speaking of past time are enjoy working in the garden. He has held for a 3 month period on a chann...
Yougaingreaterconfidenceinyourself.Also,youbecomemoreoptimisticandcalmerinthemindthanbefore.Thereareseveralreasonsforthesechanges:yourself-imageimprovesasyoustartlivingintidybeautifulrooms,andyougaindecision-makingskillsasyoucontinuetochoosebetweenwhichthingstothroworgiveawayandwhichtokeep.ThewayweletgoofthingsintheKo...
In addition, what impresses the customers most is that not only the quality of the clothes is reliable but the prices are reasonable and affordable.On top of that, if there is no damage to the clothes and they are preserved in good con...
onmethatnootherplacehas,”Ginnisays.“IrememberthefirsttimeIsawahumpbackwhale;it justroseoutofthewaterlikesomeprehistoric creatureandIthoughtitwassmilingatus.You couldstillheartheoperaticsoundsitwasmaking underwater.” Therealizationthatthisisapreciousland,to berespectedbyhumans,wasoneofthebiggest thingsthathi...
The heart sounds represent the typical "lub-dub" sound heard through a stethoscope that a physician would use. These sounds are able to provide valuable insight into the health of the heart and may indicate cardiovascular problems if the sounds have ch...
Third, some brilliant and ambitious graduates are confronted with a shortage of start-up capital, so they find it hard to apply what they learn to practice, no matter how good their idea sounds.nnAs far as I'm concerned, the program will not only offer opportunities to graduates but also...
Abruit(pronounced “brew-ee”) is an abnormal sound heard over an artery that signifies turbulent blood flow. While the heart produces the typical “lub-dub” sounds, arteries generally do not make sounds that are audible with a stethoscope unless there is some irregularity. The term “vascular...
As the heart of sentences and clauses, verbs show what the subject is doing or feeling, even if they’re just existing. Verbs are also the only type of word that’s absolutely necessary to make a sentence. Not even nouns, which represent things, need to be in every sentence. ...
Normal bamboo grows 3—10 cm a day. It usually grows in tropical (热带的) areas. 3 Bamboo plants are found in Asia, Australia, parts of Africa, and South America. One of the world’s oldest building materials is bamboo. Like today, people use it because it’s very strong. They ...