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The appetite and satiety centres in the brain are located in the region of the
A. Hypothalamus
B. Cerebral hemispheres
C. Medulla oblongata
D. Cerebellum

Last updated date: 13th Jun 2024
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Hint: Each and every function of our body is controlled by a three pound organ that is our brain. It decoded the information obtained from the external world and also embodies the internal world made up of our mind and soul. It governs the power of memory, emotion, intelligence and creativity.

Complete answer:
Our brain is a part of the central nervous system along with the spinal cord. Brain is the most important organ as it controls our emotions, our actions, and body movements, function of our organs, our physiology and psychology. It is divided into cerebrum, cerebellum and brainstem which is composed of medulla oblongata, pons and midbrain.
Option A is Hypothalamus – This is the correct answer. Hypothalamus is located at the base of the brain and is responsible for maintaining the temperature of the body, controls emotions, thrust, hunger, digestion, appetite, satiety (the satisfaction produced as a result of consumption of certain specific food) and sleep. It is of a size of a pea still it is responsible for most of our behaviours.
Option B is Cerebral hemispheres – This is not the answer as the cerebrum is divided into left and right hemispheres which are connected to each other with the help of corpus callosum. Both these hemispheres control the opposite sides of the body like the right cerebral hemisphere controls the left side of the body and the left cerebral hemisphere controls the right side of the body. These hemispheres control the speech, writing, creativity and arithmetic.
Option C is Medulla oblongata – This is not the answer as Medulla oblongata is the caudal most part of the brainstem and is responsible for controlling major body functions like digestion, breathing and heartbeat.
Option D is Cerebellum – This is not the answer as Cerebellum is present at the backside of the brain and is involved in maintaining the body posture and balance and controlling the voluntary movements of the skeletal muscles.

Hence, the correct answer is option (A).

Note: Ghrelin (produced by the stomach) and leptin (produced by the adipose tissues) are the hormones involved in the regulation of hunger and satiety respectively. They are signalling molecules that communicate with the hypothalamus and control the hunger and satiety.