<span><span>A student believes that a beverage improves memory. Two groups of students will be given a beverage before they take a test in class. </span> Which of these is the best way for the student to design the experiment? <span><span>A.<span>One group should be given the beverage, the other group should be given water. </span></span><span>B.<span>One group should be given beverage, the other group should be given diet version of the beverage. </span></span><span>C.<span>One group should be given a math test, the other group should be given a science test. </span></span><span>D.<span>One group should be given the beverage, the other group should be given beverage diluted in water. </span></span></span></span>
A dominant part of aquatic animals like fish and prawns inhale through uncommon organs called gills.
The skin that help in utilizing oxygen broke up in water. which help in return of gases and Gills contain veins.
Amphibian life forms have a unique organ called gills, which permits them to inhale oxygen in the water.
The two sides of the pharynx (throat) by the Gills when the gases exchange in fish .
<em>Gills are tissues that resemble short strings, protein structures called fibers. </em>
These fibers have numerous capacities including the exchange of particles and water, just as the trading of <em>oxygen, carbon dioxide, acids and alkali.</em>
