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प्रश्न
Write the names of the regions in hindbrain. Give one function of each region.
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उत्तर
The hindbrain has three regions: the pons, the cerebellum and the medulla.
The pons take part in regulating the respiration.
The cerebellum helps in maintaining posture and balance of the body.
The medulla controls various involuntary actions such as the heart beat, breathing, blood pressure and peristaltic movements of the alimentary canal.
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संबंधित प्रश्न
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.
Fill in the following blank with suitable word :
A neuron which carries an impulse to the brain is called a ........... neuron.
Give the functions of medulla.
Which of the following cannot be considered a receptor?
(a) ear
(b) nose
(c) muscle
(d) eye
One of the following controls the peristaltic movements of alimentary canal. This one is :
(a) cerebrum
(b) cerebellum
(c) pons
(d) medulla
All the voluntary actions of our body are controlled by :
(a) cerebrum
(b) cerebellum
(c) pons
(d) medulla
One of the following gives the correct sequence of the components in a reflex arc. This is:
Your are driving your bicycle at a fast speed. Suddenly, a small boy comes in front of your cycle and, without wasting any time in thinking, you immediately apply the brakes and accident is avoided. What name is given to such an action?
Differentiate between the following pair of terms:
Stimulus and impulse
State whether the following is simple reflex, conditioned reflex or neither of the two:
Blushing: ……………….
State whether the following is simple reflex, conditioned reflex or neither of the two.
Contraction of eye pupil
List in tabular form two differences between reflex action and walking.
List in tabular form three distinguishing features between cerebrum and cerebellum.
Explain the following term :
Conditioned reflex
What type of reflex is the following?
Blinking of the eye
Give Technical Term:
The scientist, who conducted experiment on a dog to show conditioned reflex
In reflex action, the reflex arc is formed by ______
A change in the environment that causes an animal to react is called ______.
Which one of the following is not a simple reflex?
Which of the following is not an involuntary action?
