Brain Stem Structure & Functions — NEET Biology
✅ Asked in NEET 2024The hindbrain comprises pons, cerebellum and medulla (also called the medulla oblongata). Pons consists of fibre tracts that interconnect different regions of the brain. Cerebellum has very convoluted surface in order to provide the additional space for many more neurons. The medulla of the brain is connected to the spinal cord. The medulla contains centres which control respiration, cardiovascular reflexes and gastric secretions. Three major regions make up the brain stem: mid brain, pons and medulla oblongata. Brain stem forms the connections between the brain and spinal cord.
NTA tests the three components of the brainstem (midbrain, pons, medulla) and their specific functions, especially medulla's control over respiration and cardiovascular reflexes. Students often confuse which part controls what—mixing up cerebellum's role in coordination with medulla's autonomic functions, or forgetting that pons interconnects brain regions rather than controlling them. Remember: medulla controls vital reflexes (breathing, heart rate, digestion), pons relays signals between brain regions, and the brainstem connects the brain to the spinal cord. Focus on location (lower brain) and function (involuntary control and relay) to avoid mixing structures.
This paragraph was tested 4 times in NEET.
Match List I with List II: List-I A. Pons B. Hypothalamus C. Medulla D. Cerebellum List-II I. Posture and balance regulation II. Controls respiration and gastric secretion III. Connects brain regions IV. Neurosecretory cells
[NEET 2023 ] Brainstem of human brain consists of:
[NEET Re-2022] Which brain part has pneumotaxic centre to regulate breathing?
Match the following columns and select the correct option. Column I (Structure) Column II (Function) A. Medulla oblongata (i) Controls respiration and reflexes B. Cochlea (ii) Coiled part of labyrinth C. Ear ossicles (iii) Amplify and transmit sound vibrations D. Organ of Corti (iv) Located on the basilar membrane Options:
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