Rough er are flattened spaces while smooth er are tubular
rough er have ribosomes attached to its outer surface while smooth er does not
rough er plays a part in protein synthesis, while smooth er synthesises fats and steroids, and also detoxifies harmful substances
Your brain sends signals to your body to release hormones that make you tired. This is done as a routine, and trying to sleep at different times will mess it up.
Hope this helps!
Answer:
ya it surely does please follow me
they make oxygen and so we don't die from too much oxygen