Answer:
1) circulatory and respiratory
2) endocrine
3) circulatory
4) circulatory and nerves
Explanation:
I think these are right. Sorry if they are not.
1.B without regular cardio workouts, you will have a very hard time breathing
2.B all of those CAN give accurate info, but gov. studies are best due to the amount of people they question
3.C the AHA does reliable experiments that proves helpful
4.D gov wellness sites usually give old or washed down advice
5.B if your muscles aren't used to physical activity, they will respond a bit more "aggressively" for lack of a better word
Answer: not go to work (call in and tell ur now ur feeling sick)
Explanation:
A. Protein powers the body.