Both men and women are living longer these days in industrialized countries.
However, women, on the average, live longer. _____42_____ , they can expect to live six or seven years more than men. The reasons for this are both biological and cultural.
One important biological _____43_____ that helps women live longer is the difference in hormones between men and women.
Hormones are chemicals which are produced by the body to control various body functions.
_____44_____ the ages of about 12 and 50, women produce hormones that are involved in fertility.
These hormones also have a _____45_____ effect on the heart and the blood flow. In fact, women are less likely to have high blood pressure or to die from heart attacks. 【題組】43 (A) factor (B) gene (C) process (D) example
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