Which changing external condition triggers the salivary glands?
A. lack of oxygen
B. lack of water
C. disease-causing agents
D. change in temperature

Question

Which changing external condition triggers the salivary glands?
A. lack of oxygen
B. lack of water
C. disease-causing agents
D. change in temperature

anonymous · Answer

External means outside. I would eliminate A and B. D wouldn't seem to be the right answer in my opinion, so I would go with C

anonymous · Answer

@Shay17 thanks that was my second choice i was thinking C or D because the are both external. You are such a great help i appreciate it :D

anonymous · Answer

oxygen doesn't trigger your saliva glands and neither does lack of water. the change in temperature wouldn't either the only thing i can think of that would make the most sense is C. Please let me know if that was correct ?

anonymous · Answer

thanks for the medal