Agood warm up for a running workout would include which of the following? a. a 30-second sprint b. intense stretching of cool muscles c. 5 to 10 minutes of walking and gradually increasing to running d. no warm up is needed for a running workout. 10 points markin brainiest !

Look at the graph about the barriers to working out. what would 20 percent of the population report as a barrier for working out? inability to devote thirty minutes a day to working out lack of interest with creating a detailed workout schedule not having enough money to pay for yearly gym membership living in a community that does not have parks or a gym facility

What is the hormone in your brain that makes you feel happy?

Which of the following is the definition of ventilation as it relates to the respiratory system?