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

4. Tissues & Histology

Introduction to Muscle Tissue

Anatomy & Physiology

4. Tissues & Histology

Introduction to Muscle Tissue

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Multiple Choice

Which of the following is NOT a function of smooth muscle tissue?

Regulating the diameter of blood vessels

Pumping blood throughout the body

Controlling the contraction of the urinary bladder

Moving food through the digestive tract

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Verified step by step guidance

Step 1: Understand the characteristics of smooth muscle tissue. Smooth muscle is an involuntary, non-striated muscle type found in the walls of hollow organs such as blood vessels, the digestive tract, and the urinary bladder. It is responsible for functions like regulating the diameter of blood vessels, moving food through the digestive tract, and controlling the contraction of the urinary bladder.

Step 2: Compare the functions listed in the question with the known roles of smooth muscle tissue. Smooth muscle tissue is involved in regulating blood vessel diameter (vasoconstriction and vasodilation), moving food through the digestive tract (peristalsis), and controlling the contraction of the urinary bladder (to aid in urination).

Step 3: Identify the function that does not align with smooth muscle tissue. Pumping blood throughout the body is a function of cardiac muscle tissue, not smooth muscle tissue. Cardiac muscle is specialized for rhythmic contractions to maintain blood circulation.

Step 4: Recognize that smooth muscle tissue does not have the structural or functional properties required for pumping blood. Cardiac muscle tissue, found exclusively in the heart, is uniquely adapted for this role due to its striated appearance and intercalated discs that facilitate synchronized contractions.

Step 5: Conclude that the correct answer is 'Pumping blood throughout the body,' as this is not a function of smooth muscle tissue but rather of cardiac muscle tissue.