DP Biology (last assessment 2024)
Question 18N.3.SL.TZ0.4d
| Date | November 2018 | Marks available | [Maximum mark: 2] | Reference code | 18N.3.SL.TZ0.4d |
| Level | SL | Paper | 3 | Time zone | TZ0 |
| Command term | Outline | Question number | d | Adapted from | N/A |
d.
[Maximum mark: 2]
18N.3.SL.TZ0.4d
(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
