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

1. Introduction to Anatomy & Physiology

Introduction to Directional Terms

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

Introduction to Directional Terms

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Multiple Choice

Which directional term best describes the position of the heart relative to the lungs?

Distal

Superficial

Medial

Lateral

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Verified step by step guidance

Step 1: Begin by understanding the directional terms used in anatomy. Directional terms are used to describe the location of one body structure relative to another. For example, 'medial' refers to a position closer to the midline of the body, while 'lateral' refers to a position farther from the midline.

Step 2: Identify the anatomical location of the heart and lungs. The heart is located in the thoracic cavity, near the center of the chest, while the lungs are positioned on either side of the heart.

Step 3: Compare the position of the heart relative to the lungs. Since the heart is closer to the midline of the body and the lungs are located laterally (on the sides), the heart is described as being 'medial' to the lungs.

Step 4: Eliminate other directional terms that do not apply. For example, 'distal' refers to a position farther from the point of attachment or origin, which is not relevant here. 'Superficial' refers to a position closer to the surface of the body, which also does not apply in this context.

Step 5: Conclude that the correct directional term to describe the position of the heart relative to the lungs is 'medial,' as it accurately reflects the heart's location closer to the midline of the body compared to the lungs.