The heart of a lazy person pumps blood less efficiently than an athlete who has trained and prepared to achieve a high performance, this can be understood with the example of football players who will play in other countries that have a higher altitude than the country of origin and has to go before to get used to the rarer air
<span>I would say the DNA in the genetics are beneficiary to the traits we all carry with us . At birth it is something we all are born with . So statistically all compatible genes are carried through the DNA from which we are comprised from . Thank you .</span>