Name the given structure. What is its general function ? Mention the function of the parts labelled as A and B. These structures in animals are said to be more efficient to give quick responses. Why ?

Name the given structure. What is its general function ? Mention the f

1.	Name the given structure. What is its general function ? Mention the function of the parts labelled as A and B. These structures in animals are said to be more efficient to give quick responses. Why ?
Answer» Solution :Reflex arc : The pathway taken by nerve impulses in a reflex action is called the reflex arc. It gives sudden action in response to the event happening in the environment. A : sensory neuron : Carries IMPULSE from receptor to spinal cord. B : Effector Responds to stimulus. Function of reflex are : It acts on the impulse EVEN before it reaches the BRAIN. Reflex arc develop in some animals where THINKING process of brain was not fast enough. lt functions in the case of emergency and THUS saves the animal from danger.