Answer:
An immune deficiency disease or disorder occurs when the immune system is not working as expected.
Explanation:
Regular exercise has been associated with improved stress management, which is attributed to its effect on cortisol release and is usually produced by the adrenal glands which are found on top of the kidneys.
<h3>What is Exercise?</h3>
This is described as a physical activity which involves the movement of parts of the body and is responsible for the general fitness of individuals. This helps to build the muscles and improve the circulation of blood and nutrients around parts of the body.
When exercises are done, the adrenal glands are stimulated which leads to the release of cortisol and is referred to as a stress reliever.
It is also involved in the control of the body's general metabolism rate which is why it was chosen as the most appropriate choice in this scenario.
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D) vitamin A, which is important for visual function.
The answer to this question is true
