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Experiments have shown that even if it is supplied by no other means, plants near the ocean can get enough of one of the following essential micronutrients from the air, and also from sweat from a person's hands. Which of the following is that macronutrient?
Myelin Sheath
A fatty material that covers and insulates some axons to allow for faster movement of electrical impulses along the axon.
Epinephrine
Epinephrine, also known as adrenaline, is a hormone and neurotransmitter involved in the body's fight-or-flight response, increasing heart rate, muscle strength, blood pressure, and sugar metabolism.
Adrenaline Rush
A sudden increase in adrenal hormones in the body, typically in response to stress or threat, enhancing physical performance and awareness.
Neurotransmitter GABA
Gamma-aminobutyric acid, a key neurotransmitter in the brain that inhibits nerve transmission, calming nervous activity.
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