José probably doesn't feel any pain because his body, during and after exercise released endorphins which are endogenous opioids. This endorphins promote a sense of satisfaction and pleasure, and make pain and discomfort feel irrelevant.
Answer:
The answers are:
C danimeletion
B dna - rna - amino acid - protein - genetic expression
Answer:
d. all of these
Explanation:
because of course scientists needs
experiments, observation and as well
as object measurements while inventing
some new objects.
