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Julia can fix a meal in 1 hour, and her opportunity cost of one hour is R50. Jacques can fix the same kind of meal in 2 hours, and his opportunity cost of one hour is R20. Will both Julia and Jacques be better off if she pays him R45 per meal to fix her meals? Explain.
Central Nervous System
Comprising the brain and spinal cord, it processes information and is the primary control center for the body.
Hormones
Chemical messengers produced by the endocrine glands, these compounds regulate various physiological functions and behaviors.
Neurotransmitters
Chemical messengers in the body that transmit signals from nerve cells to target cells.
Chemical Messengers
Substances in the body that transmit signals from one cell to another, often referred to as hormones or neurotransmitters.
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