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

16. The Endocrine System

Introduction to the Endocrine System

Anatomy & Physiology

16. The Endocrine System

Introduction to the Endocrine System

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Multiple Choice

How do plant and animal hormones primarily differ in their mode of action?

Plant hormones are transported through the bloodstream, while animal hormones are not.

Animal hormones are always proteins, whereas plant hormones are always steroids.

Animal hormones are typically produced in specialized glands, whereas plant hormones are produced in various tissues.

Plant hormones act only on the cells where they are produced, while animal hormones act on distant target cells.

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Verified step by step guidance

Understand that hormones are chemical messengers that regulate various physiological processes in both plants and animals.

Recognize that animal hormones are typically produced in specialized endocrine glands, such as the pituitary gland, thyroid gland, and adrenal glands. These hormones are then released into the bloodstream to reach distant target cells.

Identify that plant hormones, also known as phytohormones, are produced in various tissues throughout the plant, such as roots, stems, leaves, and flowers. They can act locally or be transported to other parts of the plant.

Note that animal hormones can be proteins, peptides, steroids, or amines, and they often have specific target organs or tissues where they exert their effects.

Understand that plant hormones, such as auxins, gibberellins, cytokinins, ethylene, and abscisic acid, can influence growth, development, and responses to environmental stimuli, often affecting multiple processes simultaneously.