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प्रश्न
State whether coughing is a voluntary action or reflex action.
उत्तर
Reflex actions are those actions which we do without thinking to protect ourselves. Coughing is a reflex action as it clears our windpipe.
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संबंधित प्रश्न
Give three examples of reflex actions.
What is spinal cord? What is its main function?
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.
The part of brain which controls the involuntary action such as heart beat, breathing, blood pressure, etc. is :
(a) pons
(b) medulla
(c) cerebrum
(d) cerebellum
Which of the following statements are true?
(i) sudden action in response to something in the environment is called reflex action
(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
Multiple choice question. Tick (✓) the correct choice:
Reflex actions occur under the control of
- brain
- medulla oblongata
- spinal cord
- cerebrum
State whether the following is simple reflex, conditioned reflex or neither of the two.
Contraction of eye pupil
Complete the following sentence with appropriate Word
Which of the following is not a natural reflex action?
A change in the environment that causes an animal to react is called ______.
The reflex arc which is made up of one sensory and one motor neuron is ______
