Question

write about a reflex arc of remove our hand when we touch a hot object ​

Answer 1

Answer:

Reflex arc is the pathway of nerve involved in reflex action.

when we touch a hot objects we remove our hand fastly because the reflex arc send signals to the brain . this action is known as reflex action.

Explanation:

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Answer 2

Answer:

make brainlist

Explanation:

For example, a simple reflex arc happens if we accidentally touch something hot. Receptor in the skin detects a stimulus (the change in temperature). Sensory neuron sends electrical impulses to a relay neuron, which is located in the spinal cord of the CNS. ... Motor neuron sends electrical impulses to an effector.

When we touch any hot object we immediately withdraw our hands, this is due to phenomenon known as reflex action. In reflex action, sensory nerve endings present in our skin detect the heat and transfer the signal to the spinal cord. The spinal cord then coordinates the response and causes the muscles to move