The answer is respiratory and circulatory systems.
The nervous system in one's body sends signals to the muscles to contract in order to move or perform a task like walking. The respiratory system sends oxygen to the muscles in order to provide energy for those actions
According to the annual Stress in America survey, most American are stressed and a significant proportion feels their coping abilities are inadequate. Further, they report feeling that the stress is affecting their health, both physically and emotionally. The survey results tend to fluctuate a little each year, but the findings generally show the same pattern: people need to find effective ways to relieve stress in their lives, and they face a variety of stressors. And these findings can very likely apply to people of all countries as we all face stress in our lives
If you want to check the amount of almost anything in your food product(assuming it is packaged) then you should then refer to the nutrition facts. you know, that little box of random words and stuff that everyone always ignores? That, my friend, is where to look :)
Answer:
I'm going to say 2 to 3 as my answer
Explanation:
I have no evidence proving so but it sounds like the most reasonable answer to me.
(correct me if I'm wrong)
