Page 171 - The Miracle of Electricity in the Body
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                    God’s Protection on Us: the Concentration

                    Mechanism
                The brain is where the body’s alarm system starts. An alerted brain employs
                a special mechanism at moments of danger. If the brain receives an impulse
                that might constitute a threat—such as growling from a bush it signals the
                adrenal glands to secrete adrenaline. The brain becomes an activated scanner,
                halting all unnecessary activities.
                The brain waits for something to react to, looking to detect regular impulses
                from its surroundings. This process is mainly discharged by an automatic
                mechanism in the brain—the concentration mechanism that is part of our
                Lord’s protection of us. When we become distracted, we can encounter a
                great many problems, such as hurting ourselves, misunderstanding and other
                difficulties. But sharpening of our concentration, particularly when it is most
                necessary and the body going on alert lets us protect our health and live in
                safety with our environment. This is the infinite protection of our Lord, Who
                is the Best Protector:
                    ... He is your Protector – the Best Protector, the Best Helper.
                    (Surat al-Hajj, 78)
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