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 Organ Systems

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

Introduction to Organ Systems

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Multiple Choice

The neuromuscular junction consists of which of the following components?

A motor neuron and a cardiac muscle cell

Two adjacent skeletal muscle fibers

A motor neuron and a skeletal muscle fiber

A sensory neuron and a smooth muscle cell

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Verified step by step guidance

Understand the concept of the neuromuscular junction: It is the site where a motor neuron communicates with a skeletal muscle fiber to initiate muscle contraction.

Recall that motor neurons are specialized nerve cells responsible for transmitting signals from the central nervous system to muscles, enabling voluntary movement.

Recognize that skeletal muscle fibers are the type of muscle cells involved in voluntary movements, and they are the target of motor neuron signals at the neuromuscular junction.

Eliminate incorrect options: A motor neuron does not connect with cardiac muscle cells (involuntary control) or smooth muscle cells (also involuntary control). Additionally, two adjacent skeletal muscle fibers do not form a neuromuscular junction.

Confirm the correct components: The neuromuscular junction consists of a motor neuron and a skeletal muscle fiber, as this is the functional connection for voluntary muscle contraction.