Which of the following steps is not involved in drownproofing?
a.
swim 10 meters closer to the shore and then relax.
b.
straighten the legs, press arms down, and then inhale.
c.
every 5 to 10 seconds, raise arms, separate legs to lift the mouth above the water, and exhale.
d.
relax in the rest position.

A. Swim 10 meters closer to the shore and then relax.

Drownproofing is method of water survival utilizing the natural tendency of the human body to float.

List of drownproofing:

Swim 10 meters closer to the shore and then relax, which is not involved in drownproofing.

Therefore, the correct answer is A.

what effect does exercise have on the nervous system?

the answer is c.