ngẫu nhiên

ngẫu nhiên Pop Quiz

Which of the following best describes about reflex actions?
Choose the right answer:
Option A They always involve receptors and muscles.
Option B They are coordinated bởi both the brain and the spinal cord.
Option C They are rapid, voluntary responses to stimuli.
Option D They involve receptors, effectors and neurones.
 YuukiTouma posted hơn một năm qua
bỏ qua câu hỏi >>
save
Cookies help us bring you Fanpop. By using Fanpop, you agree to our use of cookies. Learn More Got It!