Did today's Wonder of the Day make you want to work out to make your muscles even stronger? Do you know all the name of the muscles in your body? Of course not! There are hundreds and hundreds of muscles in the human body, and many of them have long, confusing names. Jump online to check out the Muscular System Anatomy Explorer to learn more about the different types of muscles in your body. Ready to do some math? Have you ever taken your pulse? Hold your fingers on your inner wrist or your neck and feel for a light pulsing. That's your blood pumping through your blood vessels! Count the number of pulses you feel in 10 seconds. Multiply that number by six to get your pulse in beats per minute. Now use that number to figure out how many times your heart beats in an hour, a day, a week, a month, and boost endurance a year. If you live to be 80, boost endurance how many times will your heart have beaten during your lifetime? Think you know your muscles? Put yourself to the test! Play Poke-A-Muscle to learn the major superficial muscles of the human body. Use an x-ray scanner to hunt for muscles and then poke the correct muscles with your finger. The 10 stages of this fun game will challenge even the best anatomy students!

If you’re serious about weightlifting, you’ve probably heard the term "progressive overload" before. But what exactly is it? Progressive overload is the steady increase of stress placed on your muscles during exercise over time. You can achieve this through various methods, including increasing weight, reps, or sets. Mind you