Biology
Answer
The peripheral nervous system and spinal cord together control certain actions where the brain is not involved, e.g. when we touch a hot object or get pricked by a pointed object, we instantly remove our hand, without thinking about it. Such an action is called a reflex action.
Related Questions
Differentiate between the following pairs of terms on the basis of what is indicated within the brackets :
Cerebrum and spinal cord (arrangement of white and grey matter)
Draw a neat and labeled diagram of a neuron and answer the following questions :
(a) What are the two main parts of a neuron?
(b) Is this structure unicellular or multicellular?
(c) Which part of the neuron contains nucleus?
(d) Name the two parts of the human body where neurons are found abundantly.
(e) How are neurons significant to us?
Briefly differentiate between the following by giving examples:
Voluntary and involuntary action.
Briefly differentiate between the following by giving examples:
Inborn and acquired reflexes.