Human nervous system structure — A/L Biology

How do I practise Human nervous system structure?

1 question with a worked solution

1. Which part of the human brain contains the vital reflex centers that regulate heart rate, blood pressure, and breathing rhythm?
   1. A) Cerebellum
   2. B) Medulla oblongata
   3. C) Hypothalamus
   4. D) Cerebrum
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   Correct answer: B) Medulla oblongata

   The medulla oblongata (part of the brainstem) houses autonomic reflex centers including the cardiovascular center (cardiac and vasomotor control) and respiratory rhythmicity center, essential for vegetative homeostasis.

   Show worked solution

   Step 1: Review brain structures and their roles: - Cerebrum: higher reasoning, voluntary actions, perception. - Cerebellum: muscle coordination and posture. - Hypothalamus: temperature, thirst, hunger, pituitary regulation. - Medulla oblongata: cardiovascular and respiratory autonomic centers. Answer: Medulla oblongata.
   Modelled on: the A/L Biology examination pattern

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Where does Human nervous system structure fit in the syllabus?

Year 2 · Term 1