The pleura that cover the exterior of the lungs and the inner walls of the chest cavity is a thin elastic membrane.

Câu hỏi liên quan

• You aren't doing your homework,  _    ?

• The extraordinary beautiful of orchids makes them the basis of a multimillion-dollar floral industry .

• There is nothing more annoying than you are interrupted when you are speaking

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• If you ____ Mary by chance, please give her my phone number. 

• Pop Art was a movement of the 1950’s and 1960’s whom imagery was based on readily recognized American products and people.

• Vitamin E, which is found in nutritious foods such as green vegetables and whole grains, action as an antioxidant in cell membranes.

• The shore patrol has found the body of a man who they believe to be the missing marine biologist

• The 6-year-old boy resembles to his mother somewhat more than his older brother does.

• The discovery of the antibiotic penicillin in 1928 has not produced antibiotics useful for the treatment of infectious diseases until 1940.

• Depending on many factors, including climate, mineral content of the soil, and the permanency of surface water, wetlands may be mossy, grassy, or covering with shrubs or trees.

• One of the four underlined parts marked A, B, C, D in each sentence is not correct in standard English. Identify them: 

  Unless we leave a bowl of water under the sun, it will evaporate. 

• The mayor and the council, meeting at the city hall as usual, they did not discuss the proposed new sports complex as planned .

• Located in Canada, the Columbia Ice field covers area of 120 square miles and is 3,30 feet thick in some places.

• In a new initiative announcing today, police are to take a harder line on speeding motorists.

• “Did you watch the football match late last night?” “ No, I didn’t, but I wish I ____.” 

• Margaret Mead achieved worlduide famous through her studies of child-rearing, personality, and culture

• Dinosaurs are traditionally classified as cold-blooded reptiles, but recent evidence based on eating habits, posture, and skeletal structural suggests some may have been warm-blooded.

• As the marathon runner reached the half-way mark, he, being hot and was soaked with perspiration, stopped to rub himself down with a towel.

• The average salt content of seawater is more than three percents

• Geologists find it useful to identification fossils in a rock sample because certain assemblages of species are characteristic of specific geologic time periods