Answer:
Alright.
Explanation:
Mechanical - Energy that helps relieve pain.
Thermal - An example is a hot pack or a heating pad (it can help relieve pain and help circulate blood flow)
Electrical - It can administer medication through your skin.
You may need to see a doctor if ________.
c. you often wake up feeling like you haven t been asleep
Lymphocytes produce antibodies.