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प्रश्न
Name two parts of the body which contain receptors of chemical stimuli.
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उत्तर
The nose and the tongue contain receptors of chemical stimuli.
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संबंधित प्रश्न
The diagram given below shows the internal structure of a spinal cord depicting a phenomenon. Study the diagram and answer the questions:
1) Name the phenomenon that is depicted in the diagram. Define the phenomenon.
2) Give the technical term for the point of contact between the two nerve cells.
3) Name the parts numbered 1, 2 and 3.
4) How does the arrangement of neurons in the spinal cord differ from that of the brain?
5) Mention two ways by which the spinal cord is protected in our body.
State one function each of cerebellum and pons.
Which part of the eye contains cells which are sensitive to light?
Give three examples of reflex actions.
Fill in the following blank with suitable word :
A neuron which carries an impulse to the brain is called a ........... neuron.
What are the various sense organs in our body?
What is spinal cord? What is its main function?
What is the difference between a voluntary and an involuntary action? Which kind of action is digestion? Explain your choice.
Give the various functions of brain.
Which of the following is not an involuntary action?
(a) vomiting
(b) chewing
(c) heart beat
(d) salivation
The part of brain which takes part in regulating respiration in the human body is :
(a) medulla
(b) pons
(c) cerebellum
(d) cerebrum
The olfactory receptors in humans are located in :
(a) eyes
(b) tongue
(c) ears
(d) nose
Put a tick mark (✓) against the correct alternative in the following statement:
The smell of good food causes watering of your mouth. It is a
Give Reason:
The hand automatically shows the direction to turn a cycle without thinking.
Give Technical Term:
The scientist, who conducted experiment on a dog to show conditioned reflex
Mention, if the following statement is True or False
Reflex action is a unit of nervous action
Complete the following sentence with appropriate Word
A reflex arc in man is best described as movement of stimuli from:
Which of the following is not an involuntary action?
If after cutting through dorsal root of a spinal nerve of a mammal, the associated receptor in skin was stimulated the animal would ______.
What kind of reflex is cycling?
