Advertisements
Advertisements
Which part of the eye contains cells which are sensitive to light?
Concept: undefined >> undefined
Give three examples of reflex actions.
Concept: undefined >> undefined
Advertisements
State whether coughing is a voluntary action or reflex action.
Concept: undefined >> undefined
Fill in the following blanks with suitable words :
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.
Concept: undefined >> undefined
Fill in the following blank with suitable word :
A neuron which carries an impulse to the brain is called a ........... neuron.
Concept: undefined >> undefined
What are the various sense organs in our body?
Concept: undefined >> undefined
What is meant by receptors and effectors? Give two examples of each.
Concept: undefined >> undefined
What is spinal cord? What is its main function?
Concept: undefined >> undefined
Give the functions of medulla.
Concept: undefined >> undefined
Write the names of the regions in hindbrain. Give one function of each region.
Concept: undefined >> undefined
Name the function of cerebrum.
Concept: undefined >> undefined
A person walks across a room in barefeet and puts his foot on a drawing pin lying on the floor. He lets out a cry. Explain what happens in his nervous system in bringing about this response.
Concept: undefined >> undefined
Explain the difference between of the following pair of terms :
receptor and effector
Concept: undefined >> undefined
Explain the difference between of the following pair of terms :
cerebrum and cerebellum
Concept: undefined >> undefined
What is the difference between a voluntary and an involuntary action? Which kind of action is digestion? Explain your choice.
Concept: undefined >> undefined
When you smell a favourite food your mouth begins to water (that is, you secrete saliva). Write down what is the example of the smell of the food?
Concept: undefined >> undefined
When you smell a favourite food your mouth begins to water (that is, you secrete saliva). Write down what is the example of the cells in your nasal passages which perceive the smell?
Concept: undefined >> undefined
When you smell a favourite food your mouth begins to water (that is, you secrete saliva). Write down what is the example of the gland which is stimulated to secrete saliva.
Concept: undefined >> undefined
What is a reflex action? Explain with the help of an example.
Concept: undefined >> undefined
Define reflex arc. Give the flow chart of a spinal reflex arc.
Concept: undefined >> undefined
