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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.
उत्तर
Our nervous system allows us to react to our surroundings. Information from receptors passes along the sensory neurons to our brain. Our brain sends impulses along the motor neurons to our muscles.
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संबंधित प्रश्न
What is spinal cord? What is its main function?
Which of the following cannot be considered a receptor?
(a) ear
(b) nose
(c) muscle
(d) eye
Cerbellum, medulla and pons are the parts of :
(a) mid-brain
(b) hind-brain
(c) forebrain
(d) spinal cord
P is a cell (or group of cells) in the human body which is sensitive to a particular type of stimulus and conveys the messages to CNS through nerves Q. On the other hand, R is a part of the human body which can respond to a stimulus according to the instructions sent from the CNS through nerves S.
(a) What is P? Name five organs which contain cells (or group of cells) like P.
(b) Name the nerves Q.
(c) What is R? Give two examples of R.
(d) Name nerves S.
(e) How do messages travel through the nerves Q and S?
Two hungry boys (A and B) enter a restaurant and find a table decorated as follows:
Boy B starts salivating but not A. Explain the reason for this difference.
State whether the following is simple reflex, conditioned reflex or neither of the two.
Blushing
State whether the following is
Playing on the Keyboard
Which one of the following is not a simple reflex?
What kind of reflex is cycling?
State whether the following is simple reflex, conditioned reflex or neither of the two.
Sneezing
