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.
The first one should be "Fight or Flight". I'm not sure about the second one.
<u>Answer:</u>
Basal metabolic rate (BMR)
As your BMR accounts for so much of your total energy consumption, it is important to preserve or even increase your lean muscle mass through exercise when trying to lose weight.
<u>Explanation:</u>
*Hope this helps*
Answer:
<em>mothra#84781</em>
Explanation:
Just finished it, [<em>ᵉᵈᵍᵉ²⁰²¹</em>]
Eating whole foods when young reduces the risk of developing DIABETES at an old age.