Humans have microscopic subunits in the kidneys called <span>nephrons to filter blood, and spiders have </span><span>Malpighian</span><span> tubes to absorb salts and wastes. Hope this helped! :)</span>
White blood cells use "legs" to grab ahold of the blood vessel walls to inch their way forward.
Answer:
C. It is the form a substance has when the substance is at a certain temperature
Answer:true
Explanation:im good with rocks
A) Microscopes weren't invented yet :)