Answer:
A group of cells make a tissue, a group of tissues make and organ, a group of organs make an organ system, and an organ system makes a organism.
This is a metal!
I believe this is a metal because non-metal can be cut out instantly as this element shown has a metallic luster. Metalloids can be removed as they are worse at the conduction of electricty than metals, and all of the other properties listed are properties held by metals.
(Yes this is just my old answer but only because it is really the same reasoning)
Hope this helps, if not, comment below please!!!
:L
For the answer to the question above, <u>"</u><u>hydrogen ions"</u> <span>form when muscle cells convert lactic acid to lactate. </span>
this is the reason why we feel fatigue when exercising it is that we accumulate a compound called lactic acid. I hope this helps