Answer:
increased risk of infertility in both males and females
Stretching slowly will help increase your flexablity. Bouncing while stretching, if you bounce to far down, you could break something. I hope I helped!
If this is a true or false question, the answer would be true. Cross-training is compose of different activities to improve components of fitness. This has benefits in which it can improve balance and total body fitness as well. Example of this is Cross Fit which is a commercial program using variations such as running,swimming and gymnastics.
Viruses should be correct.