Which of the following is NOT true concerning warm-up exercises? A. They should be low-intensity. B. They should get progressive
ly more intense. C. They should last 20 to 30 minutes. D. They should increase heart rate, breathing, and temperature. Please select the best answer from the choices provided. A B C D
<span>The leaf shaped flap of thin tissue that closes to keep you from choking is the Epiglottis. As an infant your voice box drops, which enables you to speak. A hazard of this happening is you are more liable to choke.</span>