Question

When you touch a pointed nail and immediately pull your hand back. Write the
steps involved in this action? Write the different organ systems involved.
(3 marks)​

Answer 1

Answer:

Organ system involved are nervous system

Answer 2

Answer:

Here is your answer mate please mark brainliest if you like ....

Explanation:

'Reflex action' makes it possible to swiftly pull back your hand if you accidentally touch a pointed nail.

The steps involved in reflex action are:

The steps involved in reflex action are:

(i) Receptors receive the stimulus

(ii) Nerve cells takes the stimulus, converts it into electrical signal and passes it through sensory nerve.

(iii) The impulse passes through spinal cord where it gets transmitted through relay neuron and it passes further through motor neuron to the effector organ, i.e. muscles.

Receptor in the skin detects a stimulus. Sensory neuron sends electrical impulses to a relay neuron, which is located in the spinal cord.

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