What are some examples of reflex actions?
A few examples of reflex action are:
- When light acts as a stimulus, the pupil of the eye changes in size.
- Sudden jerky withdrawal of hand or leg when pricked by a pin.
- Coughing or sneezing, because of irritants in the nasal passages.
- Knees jerk in response to a blow or someone stamping the leg.
What is reflex action define with example?
(a) Reflex action is a rapid and automatic response to a stimulus. It is not under the voluntary control of the brain. For example, if we unknowingly touch a hot plate, we immediately move our hand away from it. (b) The path travelled by an impulse during a reflex action is called a reflex arc.
What are reflex actions and why are they important?
Reflex actions A reflex action is an automatic (involuntary) and rapid response to a stimulus, which minimises any damage to the body from potentially harmful conditions, such as touching something hot. Reflex actions are therefore essential to the survival of many organisms.
What is reflex action give Example Class 10?
Reflex action is the extremely quick, automatic, sudden action in response to something in the environment. Example- i) Immediately pulling back of fingers after touching a hot plate. ii) Closing of eyes when flashed with high intensity light. iii) Salivation when hungry.
What is reflex action give example of reflex action How do involuntary actions and reflex action differ from each other?
Involuntary action is the set of muscle movement which do not require thinking. But it is controlled by brain for example beating of heart beat while on the other hand, the reflex action is rapid and spontaneous action in response to any stimulus. For example closing of eyes immediately when bright light is focused.
Which of the following is an example of a learned or acquired reflex?
Trained dog salivates when you ring a bell is the example of conditioned reflex. It is also called acquired reflexes. It is not inborn, but acquired and dependent on past experience, training and learning i.e. adopted during the course of lifetime.
Which is the best example of a simple reflex?
Examples of simple reflexes are the contraction of a muscle in response to stretching, the blink of the eye when the cornea is touched, and salivation at the sight of food. Reflexes of these types are usually involved in maintaining homeostasis.
What is reflex action give one example class 5th?
Answer : Reflex action – Sudden action in response to something in the environment is called reflex action. For example- When we touch a hot object, we withdraw our hand immediately without thinking.
Is heartbeat a reflex action?
Processes such as breathing, digestion, and the maintenance of the heartbeat can also be regarded as reflex actions, according to some definitions of the term.
Which of the following is an example of conditioned reflex action?
What is reflex action give examples of reflex action How do involuntary actions and reflex actions different from each other?
Answer: Involuntary action is the set of muscle movement which do not require thinking. But it is controlled by brain for example beating of heart beat. While on the other hand, the reflex action is rapid and spontaneous action in response to any stimulus which doesn’t involve brain.
Which of the following is an example of a reflex?
For example, if you put your hand on a hot stove, a reflex causes you to immediately remove your hand before a “Hey, this is hot!” message even gets to your brain. Other protective reflexes are blinking when something flies toward your eyes or raising your arm if a ball is thrown your way.
Which of the following is an example of acquired reflex?
A conditioned acquired reflex is also called an acquired reflex. Vomiting and salivation are examples of a conditioned acquired reflex.
How are involuntary actions and reflex actions different from each other any three points?
Solution 1 Involuntary action is the set of muscle movement which do not require thinking. But it is controlled by brain for example beating of heart beat while on the other hand, the reflex action is rapid and spontaneous action in response to any stimulus.
What are the common reflexes?
Most of the common reflexes are a response to all the well-trained, accumulated knowledge of caution that we have internalized. It could be anything and ranges from the reflex action of abruptly withdrawing the hand as it comes in contact with an extremely cold or hot object. This action is termed as the reflex action.
What is an example of a reflex action?
Let’s understand by a few examples of the mechanism of the reflex action. The pupil of the eye changes its size when light acts as a stimulus; when a pin pricks our hands or legs or we touch something very hot, we suddenly withdraw them; we cough or sneeze when foreign irritants go to our nasal passages.
What is reflex arc in psychology?
A reflex arc is a nerve pathway through which different components like receptor, sensory neuron, interneuron, motor neuron, and effector function altogether to produce a reflex action. These components act in a five-step process to generate a reflex action that is initiated by a stimulus.
Why do reflex actions take longer to occur?
A response takes longer when the brain, the nerves and the spinal cord are involved. All reflex actions occur very quickly without any thinking. The action is not premeditated, and this makes it instantaneous. The pathways that cause a reflex action are called reflex arcs.