It would be all of the above
Answer:
Depression
Explanation:
Depression is usually linked to an under-supply of serotonin because serotonin is consider the "happy" endorphin
Answer:
There are nine essential amino acids
Explanation:
Answer:
D. Organs and muscles require more blood under stress.
Explanation:
Because muscular contractions can have a protracted metabolic expenditure because it has to be adjusted to the demands of the contracting muscles.
Feedback on the job and of the employees know what they are doing