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 Heart2h 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

Homeostasis

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

Homeostasis

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Multiple Choice

Which example below describes a system that is NOT able to maintain homeostasis?

A person who is running breathes more rapidly in response to changing in O₂ and CO₂ levels.

A person with diabetes will experience large spikes and crashes of blood glucose without proper monitoring.

A person moving from the cold to inside a warm house, but their body temperature does not change.

When fluid levels in the body are high, the kidneys will remove more water from the blood.

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Verified step by step guidance

Understand the concept of homeostasis: Homeostasis refers to the body's ability to maintain a stable internal environment despite changes in external conditions. It involves various physiological processes that regulate factors like temperature, pH, and glucose levels.

Identify examples of homeostasis: In the given options, identify which examples demonstrate the body's ability to maintain homeostasis. For instance, breathing more rapidly in response to changing O2 and CO2 levels is a homeostatic response to maintain proper gas exchange.

Analyze the example of diabetes: A person with diabetes experiencing large spikes and crashes of blood glucose indicates a failure in maintaining homeostasis. Normally, the body regulates blood glucose levels through insulin and glucagon, but in diabetes, this regulation is impaired.

Evaluate body temperature regulation: A person moving from a cold environment to a warm house should experience a change in body temperature as the body adjusts to the new external temperature. If the body temperature does not change, it suggests a failure in thermoregulation, which is a key aspect of homeostasis.

Consider fluid balance: When fluid levels are high, the kidneys removing more water from the blood is an example of homeostasis. The kidneys help regulate fluid balance by adjusting the amount of water excreted based on the body's needs.