because they don't work as hard as humans do
Squirrels need oxygen, just as humans do, so they breathe in air much the same way as humans do. Squirrel blood cells need oxygen to operate their muscels, bones, and anything else in their body, much the same need for oxygen in humans.
The bird respiratory system does not mix exhaled air with inhaled air.
No. Fish are one of the five families of vertebrates (animals with backbones) that include fish, reptiles, amphibians, birds and mammals. Fish are similar to reptiles being cold blooded, they lay eggs, and have scales, but are different from reptiles as fish breathe through gills and live exclusively underwater, whereas reptiles breathe through lungs on land. Fish lay eggs that have thin membranes (skins) in water. Reptiles usually lay eggs with thick leathery skins on land.------------------------------------------------------------------------------------------BUT,fish pretty much evoled to make reptiles.so if you look at it,reptiles are like land living fish!both have scales and most lay eggs... a FISH is definitely NOT A REPTILE.... fish are in the family of fishes. and although they seem like a reptile with teeth, scales and dinosaur-like, they are completely different from reptiles like their insides, fins and skills. hope my answer helped! :)
Reptiles have a slower metabolism compared to mammals, so they require less food to sustain themselves. Additionally, many reptiles are ectothermic, meaning they do not regulate their body temperature internally, which also contributes to their lower energy requirements.
No they dont
Because they dont use their energy that much
Humans dont waste nergyy, thankyou
368 liters a day
yes, that's why they dont have a nucleus, so that there is as much room as possible for the oxygen
No. There is not such thing as too much oxygen just too much carbon. It is good to have a lot of oxygen so the fish dont die because of no oxygen.
Phytoplankton is what gives us as humans oxygen. Without it, we can`t live.
Nope oxygen is not radioactive if it was then all humans on earth will be sick with cancer because they breathed in so much radiation from the oxygen.
to live they dont really mean much to humans other than pets
wth? humans dont HAVE to have honey to survive?
dont eat them because tey are so much like humans
The percentage of oxygen in inhaled air by humans is approximately 21%. This oxygen is then absorbed by the lungs and transported by the blood to the cells where it is used for energy production in the body.
she feeds on humans they dont