英语.第二册

lesson one　
text：medicine as a science
supplementary reading：rapid progress in modern medicine
lesson two
text：the organ systems
supplementary reading：levels of organization
lesson three
text：respiration and the respiratory system
supplementary reading：respiration and the upper respiratory infection
lesson four
text：metabolism
supplementary reading：calories——units of the energy value of foods
lesson five
text：muscles and action
supplementary reading：the muscles：our sun-powered engines
lesson six
text：the nervous system
supplementary reading：structure and function of the brain
lesson seven
text：blood——the major transportation fluid
. supplementary reading：transfusion and blood types
lesson eight
text：diseases of the circulation
supplementary reading：heart attacks
lesson nine
text：glands and their hormones
supplementary reading：diabetes：causes and symptoms
lesson ten
text：the search for new drugs
supplementary reading：aspirin’s amazing new promise
lesson eleven
lesson twelve
lesson thirteen
lesson fourteeen
lesson fifteen
lesson sixteen
lesson seventeen
lesson eighteen
lesson nineteen
lesson twenty
vocabulary