Question 1
What by-product results during the production of nitric oxide?
◦ carbon monoxide
◦ carbon dioxide
◦ nitric oxide synthase
◦ citrulline
◦ arginine
Question 2
Which is a difference between endocrine and neural control systems?
◦ nature of the signal
◦ speed
◦ duration of action
◦ specificity
◦ All of the answers are correct.