How could professional football players use technology to better understand their health? A. They use a device to sense the resistence levels of other players when they tackle them. B. They wear special devices that monitor their health while playing on the field. C. They wear headsets to listen to the coach from the sidelines. D. They get feedback from fans through social media.

Select all of the possible methods of aids transmission.

How can people get cancer? what types of cancer are there? plz i’ll mark u brainliest

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).