Answer:
C. Arteries carry oxygenated blood, while veins carry blood low in oxygen
Explanation:
When they are no longer lined out with each other and based on the congruency
Answer:
Exercise makes your body work harder and gets your blood flowing through your body quicker because it needs to quickly deliver the oxygen and nutrients needed to maintain your activity.
Explanation:
Answer:
between 1,600 and 2,400 calories a day
