Answer:
Iron is known for transporting oxygen in blood.
Answer:
<em>The answer is letter C. The factor that affected the subjects estimate how fast the cars were are the staments of LETTER C</em>
Explanation:
<em>Whether the word contacted, hit, bumped, collided or smashed was used in question.</em>
Physical fitness helps the heart pump blood, it also helps the blood carry oxygen to cells in the body.
