As blood drops off oxygen throughout your body, it also removed carbon dioxide. True
False

What can friends provide to affect mental health positively? a)peer pressureb)challengesc)conflictd)companionship

What should you not do when doing abdominal workouts? a. keep your chin off your chest b. keep your head aligned with the spine c. put pressure on your neck d. all of the above

During a formal discussion in his science class, kai will be speaking about the important of exercise. what is the best advice he can follow to be a prepared speaker