Tapeworms and lice are examples of

They are parasites. parasites are organisms that live in or on an organism of another species. it benefits by deriving nutrients at the other's expense.

You should check out the situation and then ask questions like “are you choking”? and if they are able to respond they should nod and if they are not making sound do the heimlich maneuver. i hope this .

The person who utilize the progression principle will keep adding the difficulty of the exercise that he's doing, while the person who does not, will only stay stagnant.  the person that utilize progression principle, will get a stronger endurance because now his body is conditioned to do harsher routines.{the answer was already on verified)