Why do so many sperm cells die while traveling to the ovaries

If you are going to enter a wrestling competition and need to make a certain weight, which method would best utilize? a: pinch an inch b: circumference measurements c: bathroom scale d: body-fat scale

If your emotional energy is low, your attitude will likely a. be more negative. b. not be impacted. c. vary substantially. d. be more positive.

How can a person  best  reduce the risk of injuries on the road?