Skeletal muscles attach to your bones and move your skeleton. Many of your muscles work in pairs called flexors and extensors. If you lift your wrist toward your shoulder, your biceps flex. To pull your arm back down you flex your triceps.
The muscles don’t just work on their own—they are interconnected to nerves, blood vessels, connective tissues, and bones. All of these pieces must fit together perfectly and could have never evolved by random processes over millions of years. God created them to function together in perfect harmony.
When we flex our muscles, we can remember that God wants us to love him with all our strength (Mark 12:30).
These special cards provide an exciting glimpse into various parts of the wonderfully designed human body. God makes each of us fearfully and wonderfully!
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