Spinal cord is involved in reflex action. It is the processing unit for reflex actions because __________.

Q. 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.​

Q. What is a reflex action? Describe the steps involves in reflex action.

Q. Consider the following statements.
(a) Sudden action in response to something in the environment is called reflex action.
(b) Sensory neurons carry signals from the spinal cord to muscles.
(c) Motor neurons carry signals from receptors to the spinal cord.
(d) The path through which signals are transmitted from a receptor to a muscle or a gland is called a reflex arc.
Which of the above statements are correct?

Q.

(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 ?

Q. How do you appreciate the role of spinal-cord in reflex actions?