Aperson sees a ball and kicks it, in part because of actions of the nervous system. using the parts of the nervous system listed bellow, describe the path of nerve impulses that cause the person to see the ball
• brain
• motor neurons
• sensory neurons
• spinal cord

Which of the four major uses is predicted to change the least by 2020?

How does the nervous system affect the excretory system?

Ras is a g-protein that is activated when a growth factor attaches to egfr. its activation results in the replacement of a gdp molecule with a gtp molecule, thus allowing a signal transduction pathway to be activated. considering the signal pathway illustrated on this page, what is one potential outcome of a mutation in the ras gene that leads to ras protein hyperactivity. be specific.