Question

Is there any involvement of brain in reflex action or they are only controlled by spinal cord?

Answer 1

These are primarily controlled by the spinal chord but the information after the action is performed reaches the brain.

For eg: when we touch a hot object we reflexly withdraw our hand but after a second or two actually realise the fact that the object we have touched is hot.

So, the brain has some role in this.

Answer 2

they are controlled by spinal cord but the impulse is from brain