Proprioceptors are those,which give the sense of

Which of the following systems are involved in the regulation and coordination of the human body?
$I -$ Digestive system
$II -$ Endocrine system
$III -$ Excretory system
$IV -$ Nervous system
$V -$ Reproductive system

In humans,rapid coordination of functional activities is achieved by which of the following?

The nerve cells,brain,and spinal cord or central nervous system develop from which embryonic layer?

Cutaneous stimulus is received by

The neural canal develops from which of the following germ layers?