Fill in the following blanks with suitable words:

(a) The two examples of effectors are .................and .....................


(b) Our..................system allows us to react to our surroundings. Information from receptors passes along.................neurons to our brain. Our brain sends impulses along...........neurons to our muscles.


(c) A neuron which carries an impulse to the brain is called a .................... neuron.


(d) The neuron which carries a message for action to a muscle or gland is known as a.................... neuron.

(a) The two examples of effectors are glands and muscle.

(b) Our nervous system allows us to react to our surroundings. Information from receptors passes along sensory neurons to our brain. Our brain sends impulses along motor neurons to our muscles.


(c) A neuron which carries an impulse to the brain is called a sensory neuron.


(d) The neuron which carries a message for action to a muscle or gland is known as a motor neuron.


31