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Question 18N.3.SL.TZ0.d

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Date November 2018 Marks available [Maximum mark: 2] Reference code 18N.3.SL.TZ0.d
Level SL Paper 3 Time zone TZ0
Command term Outline Question number d Adapted from N/A
d.
[Maximum mark: 2]
18N.3.SL.TZ0.d

Outline the role of the brain in involuntary control.

[2]

Markscheme

a. does not require conscious thought ✔

b. can respond to emergency situation and «actively» return the body to normal ✔

c. medulla/brain stem controls involuntary activities ✔

d. eg: swallowing/breathing/heart rate ✔

 

Accept other valid examples

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