- Trending Categories
- Data Structure
- Operating System
- MS Excel
- C Programming
- Social Studies
- Fashion Studies
- Legal Studies
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
(a) What is a reflex action? Explain with the help of an example.(b) Define reflex arc. Give the flow chart of a spinal reflex arc.(c) How are involuntary actions and reflex actions different from each other?
(a) Reflex action is an involuntary, rapid and automatic response in the body to a stimulus. If we see an intense beam of light we automatically blink our eyes.
For example, if we unknowingly touch a hot plate, we immediately move our hand away from it.
(b) Reflex arc is the path taken up by the nerve impulses during a reflex action.
(c) Difference between involuntary actions and reflex actions are as follows:
|Involuntary actions||Reflex action|
|1. All involuntary actions are not reflexes.||1. All reflex actions are involuntary in nature.|
|2. Involuntary actions are the normal actions given by the internal or external organs of the body, which do not need thinking and performed by us unknowingly.||2. A reflex action is a sudden and autonomic response to a stimulus which is not under the voluntary control of the brain (involuntary).|
|3. Example- Digestion and respiration.||3. Example- Sneezing and Coughing.|
Kickstart Your Career
Get certified by completing the courseGet Started