Reflex Arc Flashcards
1
Q
Step 1
A
Receptor senses a stimulus
2
Q
Step 2
A
Sensory neuron transmits signal up to PNS to the CNS
3
Q
Step 3
A
Integration centre decodes the signal
4
Q
Step 4
A
Motor neuron sends directions back to the site of the stimulus
5
Q
Step 5
A
Effector cells respond by contracting or excreting