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

2. Cell Chemistry & Cell Components

Properties of Water- The Universal Solvent

Anatomy & Physiology

2. Cell Chemistry & Cell Components

Properties of Water- The Universal Solvent

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Multiple Choice

Water is best described as which of the following?

A non-polar molecule that repels most substances

An ionic compound that forms strong bonds with solutes

A polar molecule with a high capacity to dissolve many substances

A hydrophobic molecule that does not interact with solutes

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Verified step by step guidance

Understand the nature of water molecules: Water is composed of two hydrogen atoms and one oxygen atom, forming H₂O.

Recognize the polarity of water: The oxygen atom is more electronegative than the hydrogen atoms, creating a partial negative charge on the oxygen and a partial positive charge on the hydrogens, making water a polar molecule.

Consider the implications of polarity: Due to its polarity, water can form hydrogen bonds with other polar molecules and ions, allowing it to dissolve many substances effectively.

Evaluate the options: A non-polar molecule would not have the same dissolving capabilities as water. An ionic compound forms ionic bonds, not characteristic of water. A hydrophobic molecule repels water, which is contrary to water's properties.

Conclude with the correct description: Water is best described as a polar molecule with a high capacity to dissolve many substances, due to its ability to form hydrogen bonds with solutes.