<span>the activity that requires the action of a first class lever in the body is: D. nodding
First class lever refer to a lever on which the resistance exist in one one side of the fulcrum and an effort is made on the other side.
Another example of a first class lever beside nodding are: Scissors, a crowbar, or a seesaw</span>
Answer:
The inverted kick is used primarily for lifeguards who are towing a victim in a side-lying position. The inverted kick is less likely to strike the victim than the regular kick, thus it is preferred for rescues where a scissors kick is employed.
Explanation:
I think that the answer is thyroid gland x-rays
