Actually, it's the cilia in my lungs that don't work. Cilia are the tiny hair-like structures in the lungs that move rhythmically to slough out mucous and irritants. Except my cilia are immotile - they don't move. It's a genetic thing.
Because of this, if I don't get a lot of aerobic exercise, my lungs become lethargic and don't work as hard as they should took take in the air my body needs.
We all learned in school that the lungs pull in the air and feed it to the bronchioles and on into the bloodstream, which distributes it to the cells throughout the body.
When my lungs get bogged down with things besides air, I don't breathe deeply enough to be able to send an adequate supply to all parts of my body. My hands and feet get cold due to oxygen deprivation. My brain functions slow down and become foggy. Eventually I'll get sick.
Still others, like seed sown among thorns, hear the word; but the worries of this life, the deceitfulness of wealth and the desires for other things come in and choke the word, making it unfruitful. Mark 4:18-19My faith also needs regular aerobic workouts.
We're all infected with an abnormality in our souls, a tendency to allow other things to crowd out our focus on Christ. Even if we're hearing a sermon every Sunday, sitting in a Bible class, and occasionally reading an inspirational book, our souls suffer from the choking effects of everything else we're taking in.
The more we stretch ourselves to read and meditate on the Word with frequency and urgency, the healthier we become spiritually. Steady, continuous intake of the Word seeps into the heart, the sol, the mind, and the will, and keeps us energized for the work He has in store for us.
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