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HESI Anatomy & PhysiologyWho does what

Brain RegionsHESI A2 cheat sheet

Who does what

10 key facts 3 practice questions Reviewed Oct 2026
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Cerebrum

  • Largest part; thinking, memory, voluntary movement, senses
  • Frontal — judgment, personality, motor
  • Parietal — sensation
  • Temporal — hearing, language
  • Occipital — vision

Cerebellum

  • Balance, posture and coordination — fine-tunes movement

Brainstem

  • Medulla — heart rate, breathing, blood pressure
  • Pons — bridge, breathing rhythm
  • Midbrain — reflexes for sight and sound

Other

  • Hypothalamus — temperature, hunger, thirst, links to the pituitary
Key takeaway

Who does what

Before you read

Test yourself first: 3 questions

Question 1 of 3

The occipital lobe of the brain primarily processes:

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