Which of the following forms a reflex arc?
A. Organ and tissue
B. Cells and neurons involved
C. Effort and load
D. Stimulus and response
Answer:D
Which of the following forms a reflex arc?
A. Organ and tissue B. Cells and neurons involved C. Effort and load D. Stimulus and response
Explanation: The efferent neurons carry the signals from the central nervous system to the effector organs. The stimulus and response thus form a reflex arc, for example; the knee jerk reflex.