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

13. The Peripheral Nervous System

Introduction to Sensory Receptors

Anatomy & Physiology

13. The Peripheral Nervous System

Introduction to Sensory Receptors

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Multiple Choice

How does environmental stimulation reach our brain through sensory receptors?

Sensory receptors convert stimuli into electrical signals that are transmitted to the brain via the nervous system.

Environmental stimuli are absorbed by the skin and transported to the brain through the bloodstream.

The brain receives environmental stimuli through direct contact with the external environment.

Sensory receptors directly send chemical signals to the brain without any conversion.

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Verified step by step guidance

Identify the role of sensory receptors: Sensory receptors are specialized cells located throughout the body that detect environmental stimuli such as light, sound, touch, and temperature.

Understand the process of transduction: Sensory receptors convert (transduce) these environmental stimuli into electrical signals, a process known as sensory transduction.

Explore the pathway of electrical signals: Once the stimuli are converted into electrical signals, these signals are transmitted through the nervous system, specifically via sensory neurons.

Trace the route to the brain: The electrical signals travel along the sensory neurons to the central nervous system, where they are relayed to the brain for processing and interpretation.

Clarify misconceptions: Note that sensory receptors do not send chemical signals directly to the brain, nor do they transport stimuli through the bloodstream. The brain does not receive stimuli through direct contact with the environment.