A. usually accompanied by dull pain
Hamstring strains are
accompanied by sudden and severe pain during exercise they may possible
include a snapping or popping feeling.
Call a friend.
Take the bus.
Call for a cab or taxi service.
I believe that it would be A.It's a natural part of our everyday lives, even though some stress can be beneficial but not in large amounts
Answer:
respiratory
Explanation:
oxygen goes in carbon dioxide goes out
