I have also given you the skeletal muscle difference ......
For extra knowledge ......
hope it helps u ....then mark me as brainliest
The heart needs molecule don’t take me serious cause it might be wrong
But it was not until 1928 that penicillin, the first true antibiotic, was discovered by Alexander Fleming, Professor of Bacteriology at St. Mary's Hospital in London.
I think that it is atmosphere but not 100% sure you might want to double check