I believe that The answer is DNA
Blood and oxygen I’m pretty sure if it’s one answer then it should be blood
Answer:
without choices to choose from, I'd say vaccinations....also herd immunity, and early health screenings.
Answer:
you will need to look at the calories and then the ingredients and how much of each ingredients there is.
One way in determining your fitness level is trying to do a Full Sprint Run and holding your breath for as long as you can. That way you can determine your cardiovascular capacity and lung capacity. On improving your fitness levels you should do swimming, jogging and of course a balanced diet.
