Determine the stimulus, receptor, control center response and effector for gas exchange for plants (stomata close).
Stimulus
Control Center
Effector cells
Response--Stomata Close
Why do the guard cells close?

If these are the missing choices: a. to determine skin temperature, place the back of your hand against the patient's skin.b. determine body temperature by touching the patient's hands and feet.c. skin temperature will tell you very little about this patient's condition or well-being.d. the patient's skin temperature and color will likely be warm and red.my answer is: a. to determine skin temperature, place the back of your hand against the patient's skin. using the back of the hand to check for temperature rather than the palm is more effective because the back of the hand has more nerves that can feel and transmit the temperature than the palm.

Ithink you should go back and learn in school rather then here asking questions