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

Anatomical Terms for the Arm and Hand

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

Anatomical Terms for the Arm and Hand

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Multiple Choice

Which of the following best describes the shape of the humerus bone in the human arm?

Irregular and complex

Flat and triangular

Long and cylindrical

Short and cube-shaped

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Verified step by step guidance

Step 1: Understand the classification of bones based on their shapes. Bones in the human body are categorized into four main types: long bones, short bones, flat bones, and irregular bones.

Step 2: Recall the characteristics of long bones. Long bones are typically cylindrical in shape, longer than they are wide, and primarily function to support weight and facilitate movement. Examples include the femur, tibia, and humerus.

Step 3: Compare the humerus to the characteristics of other bone types. Short bones are cube-shaped and provide stability with limited movement (e.g., carpals and tarsals). Flat bones are thin and often protect internal organs (e.g., sternum and skull bones). Irregular bones have complex shapes (e.g., vertebrae).

Step 4: Identify the humerus as a long bone based on its cylindrical shape and its role in supporting arm movement and connecting the shoulder to the elbow.

Step 5: Conclude that the correct description of the humerus bone is 'Long and cylindrical,' as it matches the characteristics of long bones in the human body.