Which of the following fitness tests is used to measure aerobic fitness?

Heart

Fish in fresh water have more salt in their cells than is in the water surrounding them.  What happens because of this (where does water move) AND what do the fish do to deal with it?

_____________ is the most toxic substance in an aquarium.

The type of training that focuses on shifting from aerobic to lactate threshold training is

Metals (like iron) are good in a marine aquarium, since they help feed bacteria.

The pits in a snake’s mouth that are used to “taste” odors are called _______________.

When feeding turtles, which of the following statements is true?

What are the components of the nervous system?

Name the structure: