Stretching exercises avoid strains and sprains?

true

false

What is the hormone in your brain that makes you feel happy?

Answer in a couple of paragraphs, 1 or 2 at the most if anything! 20 points + brainliest--> explain what all the systems in your body do to work together < --list of systems needed: circulatory systemrespiratory systemdigestive systemexcretory systemnervous system

What is the most important issue facing healthcare industry? in a well- developed paragraph, describe the issue and discuss why you think it’s important.