The main functions of the circulatory system is to O coordinate all actions and reactions of the boy using electrical signals
support and protea delicate organs such as the brains, lungs, and heas
pumpaygen and nutrients through the blood to every part of the body
Totect the body against invading organisms and infectious diseases

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.