Artificial blood doesn't work that good with real blood and it can have side effects. It also doesn't carry as much oxygen as normal blood does
Answer:Respuesta: el gusano tiene respiración cutánea es decir respira por la piel. ... libélula tiene respiración branquias. el tiburón tiene respiración branquial ósea respira por branquias
It is semiprmeable which means that it lets some little things in and things that are too big are not allowed to pass through
The correct answer would be J, that last skull belongs to the animal that is probably unrelated to the other three.
Answer: A) Z
Explanation: I JUST TOOK THE TEST ON STUDY ISLAND