मराठी

Define the following: Reflex action - Science

Advertisements
Advertisements

प्रश्न

Define the following:

Reflex action

Define the following term:

Reflex action

Define reflex action.

व्याख्या

उत्तर

Reflex action is an automatic/quick/immediate, involuntary action in the body brought about by a stimulus. This mechanism prevents injury to the body by triggering a rapid and automatic response.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 9: Nervous System - Exercise 2 [पृष्ठ ११६]

व्हिडिओ ट्यूटोरियलVIEW ALL [3]

संबंधित प्रश्‍न

What is the role of the brain in reflex action?


If we happen to touch a hot object unknowingly, we immediately pull back our hand. What is this type of action known as?


Which part of the eye contains cells which are sensitive to light?


State whether coughing is a voluntary action or reflex action.


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.


What are the various sense organs in our body?


Give the functions of medulla.


A person walks across a room in barefeet and puts his foot on a drawing pin lying on the floor. He lets out a cry. Explain what happens in his nervous system in bringing about this response.


When you smell a favourite food your mouth begins to water (that is, you secrete saliva). Write down what is the example of the smell of the food?


Which of the following cannot be considered a receptor?

(a) ear
(b) nose
(c) muscle
(d) eye


Which of the following helps in maintaining posture and balance of the human body?


One of the following gives the correct sequence of the components in a reflex arc. This is:


What is the difference between reflex action and voluntary action?


Explain the mechanism of reflex action with the help of a suitable diagram.


State whether the following is

Constriction of pupil


What type of reflex is the following?

Sweating in summer


Give Technical Term:
Response to a stimulus without the intervention of the will of an animal.


What will you do if someone pricks your hand with a needle? Elucidate the pathway of response with a neat labelled diagram.


Reflex arc allows the rapid response of the body to a stimulus.


Which of the following is not an involuntary action?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×