Question 6
Mention two involuntary actions in humans.
[2 marks]
Observation
This question was attempted by many candidates and their performance was good. They did well in it.
The expected answers are as follows:
- sneezing.
 - sleeping.
 - coughing.
 - fright;
 - blinking of the eye.
 - yawning;
 - withdrawal from hot/sharp/cold object.
 - belching.
 - heart beat.
 - peristaltic movements in digestive system.
 - knee jerk.
 - mixing the food thoroughly with digestive juice.
 
Involuntary actions in humans