Why does the heart automatically adjust the flow of blood to match activity levels? A. Extreme activity damages blood cells and the body needs replacements. B. The heart requires more oxygen when exercising. C. It reduces the level of oxygen in the blood. D. Organs and muscles require more blood under stress. Please select the best answer from the choices provided. A B C D.

answer; ///first blank (50) fellowships points; second blank; // (5 year);

1. entire bag, then the entire bag of calories

2. the percent of fat would be the percent of fat from the serving size, added up to the entire bag of calories

3/4. the saturated fat would be on the bag label, but im pretty sure if you take the serving size and do the math to figure it out you could find out in total the fiber, saturated fat,etc..

5. no probably not

the gravitational force on an object increase as the mass of an object also, im not going to report you, but this question should be under the science category, not health

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