Pretty sure it's the first one, because that's around the number of calories recommended every day.
The correct answer for the given question above would be the second option. If your training program is focused on improving how well your heart and lungs work together to supply oxygen to your body during exercise, then the related factor that you are targeting is cardiovascular efficiency. Cardiovascular efficiency measures how well your circulatory system is able to deliver oxygen to the rest of the body.
Answer:
Fallapian Tubes
Explanation:
That should be the answer, there were no options to fill in the blanks.
Muscular strength because you use it while running a mile and hiking
