Why are the secretions from the seminal vesicles alkaline?
га
Sperm acquire energy from alkaline
substances.
Sperm cannot survive in an acidic
environment.
ody
Sperm move more quickly in an alkaline
environment.
The female reproductive system does not
allow acidic substances.

Life expectancy in the united states is (76.4 for men and 81.1 for women). life expectancy is not the same as healthy life expectancy. healthy life expectancy is the number of years a person is expected to live in this number is obtained by subtracting years spent in poor health from overall life expectancy. the world health organization (who) calculates healthy life expectancy in 194 countries. the united states ranks twenty-ninth in the world using this measurement, with an average of of healthy life expectancy. singapore ranks number one (76 years), and japan is number two (75 years).