The rate of speed determined by distance and performance of an athlete is known as speed endurance. Speed endurance training is conducted to ensure the maintainence of an optimal speed during a prolonged desired time of the run. It is beneficial for both sprinters, and long distance runners.
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2. it can identify people who have been in contact with an infected person
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Tobacco. Smoking during pregnancy increases the risk of health problems for developing babies, including preterm birth, low birth weight, and birth defects of the mouth and lip. Nicotine is a health danger for pregnant women and developing babies and can damage a developing baby's brain and lungs. This could really harm the baby.