Do you know these words?

• あがる（けつあつが〜/たいおんが〜/ねつが〜）

  (blood pressure/body temperature/one's temperature) to go up

• あげる（けつあつを〜/たいおんを〜/ねつを〜）

  to raise (BP/body temperature/fever)

• さげる（けつあつを〜/たいおんを〜/ねつを〜）

  to reduce (BP/body temperature/fever)

• ねつ

  fever

• ねつが　ある

  to have a fever