I think it’s sperm for your question
A part of the brain known as the sensory cortex receives information from all over the body. The sensory vortex is located above the pons. :))
Explanation:
first of all our eyes recognise to train and send the message to our brain then our ears and then the brain send motor impulses to muscles of leg
Http://highered.mheducation.com/sites/007246268x/student_view0/chapter13/