Sperm _______________________________
Answer:
When two or more people answer a question, you have the option to mark one as brainliest, meaning that the person who answered the question was more detailed or whatever the case may be. You scroll down and there will be a crown. Click it. Then, the answer is marked as brainliest!
<span>They signal that a chemical is replacing the oxygen the user is breathing</span>
ill say muscle weighs more than fat