Answer:
fats, carbohydrates, and proteins
Explanation:
they all give you energy and/or are nutrients and food
I believe it’s carbon dioxide, because you use your respiratory system to breathe in oxygen, and oxygen goes through your circulatory system. And you breathe out CO2.
Answer: Possibly, a pulmonary exercise stress test.
Explanation:
A) use your max heart rate, which is determined by subtracting age from 220
hope this helps :)
False, because even if you do get the shot, it wont fully protect you.
