Answer:
I think its b sorry if I wrong but I think that's right
Answer:
When you are exercising, your muscles need extra oxygen some three times as much as resting muscles.
This need means that your heart starts pumping faster, which makes for a quicker pulse. Meanwhile, your lungs are also taking in more air, hence the harder breathing
I think it's CARBON DIOXIDE
I am not sure.
Sixty-five and above is your answer
By varying food choices among and within good groups in the usda food intake patterns will help you against large amounts of toxins the answer is TRUE
