But the bones can take us backwards through time--into the past.
And they can help us with our study of the evolution of life.
11. What were Darwins ideas based on?
12. Why did the men of the churches fight against Darwins ideas?
13. According to the passage, which of the following is not true?
Passage Two
As is known to all scientists and philosophers
had studied the human body and its functions from very early times.
Unfortunately,many of the ideas and theorie correct and incorrect
were accepted without question for a great number of years.
But by the 16th century
knowledge gained through chemical experiment
was beginning to make some people think more deeply about how the human body works.
A most important medical discovery was made by William Harvey in 1628.
He found out that the blood is circulated round the body
in one direction only by the pumping action of the heart
It had previously been incorrectly thought that
the blood moved with a backward and forward motion.
Early in the 17th century a new instrument came into use
that was to open up a whole new area in the study of medical and sicentific matter
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