Answer:
Sensory neurons.
Step-by-step explanation:
Neurons are the structural and functional unit of the nervous system. The neurons carry nerve impulse to and away from the central nervous system. Two types of neuron are sensory neuron and motor neuron.
Sensory neurons carry information from the sensory receptors towards the brain and spinal cord. The daughter touch her mother's hand, the sensory neuron transmit nerve impulse from the sensory receptor to the brain and spinal cord.
Thus, the answer is sensory neurons.