<span>Nutrients can be divided into 2 categories: macronutrients, and micronutrients. Macronutrients are those nutrients that the body needs in large amounts. These provide the body with energy (calories). Micronutrients are those nutrients that the body needs in smaller amounts. </span>
Answer: Endocrine system
Explanation: The hypothalamus is considered to be part of the human endocrine system, which is a system made up of important glands, such as the pituitary gland. This system is also known as and referred to as the <em>hormonal system</em>, because the hypothalamus makes hormones and sends these chemical "messengers" out into the blood to communicate with cells. The hypothalamus gland itself is a link between its endocrine system and the nervous system of the body in general. However, when we use the term nervous system, we are talking more about electrical signals rather than hormonal signals.
Chemical breakdown is affected by it I just did in zymes treated by the track and accessory organs as well as hydrochloric acid secreted by the stomach the G.I. tract is protected from the corrosive actions of these enzymes and acid by a mucous membrane composed of epithelial cells which secrete mucus and fluid
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The answer is D, "All of the Above"
