Answer:
negative energy balance
Explanation:
Negative energy balance occurs when caloric intake is lower than energy expenditure
The answer is A because relating to or denoting exercise that improves or is intended to improve the efficiency of the body's cardiovascular in absorbing and transporting oxygen.
His immune system is using the first line of defense. His body is using purging methods that is caused by irritation of the hairs in his nose. This defense system<span> uses physical and chemical barriers that are prepared to defend the body from infection.</span>
