Answer:C rough endoplasmic reticulum and cell walls
Explanation:
Provide organs and muscles with the oxygen they need to function
Your answer would be D. You can find the neutrons by subtracting the mass by the atomic number. 14-6=8 neutrons.
I feel the answer is cell membrane .
The cell membrane is a semipermeable protection and covering for the cell.
Please mark me as brainliest, if this helped.
Id say trick question it doesn't. Or, id say, it helps you realize how much to eat and what times you should be eating.
