When a person’s body becomes infected by a virus, white blood cells in the blood produce specialized immune cells that help fight the virus, and protect the body from infections it can cause. The specialized immune cells, along with other cells, are circulated throughout the body so that the cells can reach the areas of the body that require an immune response. Which two body systems interact to protect an individual from a virus? A.

circulatory and immune

B.

respiratory and nervous

C.

skeletal and immune

D.

circulatory and respiratory

Idont really understand

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.

C. gemstones they are the only non metallic mineral from the list.