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Question
What are the various sense organs in our body?
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Solution
There are five sense organs in our body. They are the eyes, the ears, the nose, the tongue and the skin.
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RELATED QUESTIONS
Which of the following is not a natural reflex action?
A. Knee-jerk
B. Blinking of eyes due to strong light
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D. Sneezing when any irritant enters the nose
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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.
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5) Mention two ways by which the spinal cord is protected in our body.
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Which of the following helps in maintaining posture and balance of the human body?
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(a) vomiting
(b) chewing
(c) heart beat
(d) salivation
Which of the following statements is correct about receptors?
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(ii) sensory neurons carry electrical signals from spinal cord to muscles in a reflex action
(iii) motor neurons carry signals from receptors to spinal cord in a reflex action
(iv) the pathway of transmitting signals from a receptor to a muscle is a reflex action
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(b) tongue
(c) ears
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(b) Spinal reflex
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what do we refer to in the nervous system when we say:
Natural and conditioned …………………
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The given diagrammatic representation of reflex action shows knee jerk reflex.
Identify the parts labeled as A to E and select the correct option.
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How is the mode of action in beating of the heart different from reflex actions? Give four examples.
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