fitness quiz prep unit 2

24Way back in the ­­­­­­­­­­­­_____________, there lived a man named Isaac Newton who really loved physics.

__________ is the act of speeding up.

___________ are the body’s natural painkiller.

he _________ law of Newton’s Laws of Motion helps us add intensity to any activity.

When you sit up straight for a long time, the __________ holds a lot of your body weight.

The __________ we sleep in can also make a big difference in how we feel when waking up.

Even if you know you are not a great swimmer, it’s okay to go in deep water without supervision.

Objects don’t want to change; they want to keep doing what they’re doing unless they meet a(n)      ______________.

A healthy posture means the spine is in a(an) “___________” position and not bent in any particular direction.