Which of the following statements are true?
(i) sudden action in respons 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 transmittin signals from a receptor to a muscle is a reflex action
A. (i) and (ii)
B. (i) and (iii)
C. (i) and (iv)
D. (i),(ii) and (iii)
