Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

24. Metabolism and Nutrition

Essential Amino Acids

Anatomy & Physiology

24. Metabolism and Nutrition

Essential Amino Acids

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Problem 19

Textbook Question

A/an is a nutrient that the body requires in large quantities, whereas a/an is one that the body requires in much smaller quantities. A/an is a nutrient that the body cannot produce and so must be supplied from the diet.

Verified step by step guidance

Step 1: Understand the key terms in the question. The problem is asking about three types of nutrients: one required in large quantities, one required in smaller quantities, and one that the body cannot produce and must obtain from the diet.

Step 2: Recall the classification of nutrients. Nutrients required in large quantities are called macronutrients (e.g., carbohydrates, proteins, and fats), while those required in smaller quantities are called micronutrients (e.g., vitamins and minerals).

Step 3: Identify the term for nutrients that the body cannot produce. These are called essential nutrients, which must be obtained through the diet because the body cannot synthesize them (e.g., certain amino acids, fatty acids, vitamins, and minerals).

Step 4: Match the blanks in the question with the appropriate terms based on the definitions provided. The first blank corresponds to macronutrient, the second to micronutrient, and the third to essential nutrient.

Step 5: Review the definitions and examples of macronutrients, micronutrients, and essential nutrients to ensure a clear understanding of their roles in the body.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Macronutrients

Macronutrients are nutrients that the body needs in large amounts to provide energy and support bodily functions. They include carbohydrates, proteins, and fats, which are essential for growth, metabolism, and overall health. Each macronutrient plays a unique role; for example, carbohydrates are the primary energy source, while proteins are crucial for tissue repair and growth.

Micronutrients

Micronutrients are nutrients required by the body in smaller quantities, yet they are vital for various physiological functions. These include vitamins and minerals, which support immune function, bone health, and cellular processes. Despite being needed in lesser amounts than macronutrients, deficiencies in micronutrients can lead to significant health issues.

Essential Nutrients

Essential nutrients are those that the body cannot synthesize on its own and must be obtained through diet. This category includes certain amino acids, fatty acids, vitamins, and minerals. For instance, omega-3 fatty acids are essential for heart health, and vitamin C is crucial for immune function, highlighting the importance of a balanced diet to meet these nutritional needs.

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