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

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 a very versatile solvent because water molecules are __________.

nonpolar

ionic

hydrophobic

polar

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Verified step by step guidance

Understand the concept of polarity: Polarity refers to the distribution of electrical charge over the atoms joined by the bond. In polar molecules, there is an uneven distribution of electron density.

Recognize the structure of a water molecule: A water molecule (H₂O) consists of two hydrogen atoms covalently bonded to one oxygen atom. The oxygen atom is more electronegative than the hydrogen atoms, meaning it attracts the shared electrons more strongly.

Identify the polar nature of water: Due to the difference in electronegativity between oxygen and hydrogen, the electrons are pulled closer to the oxygen atom, creating a partial negative charge near the oxygen and a partial positive charge near the hydrogen atoms.

Relate polarity to solvent properties: The polar nature of water allows it to interact with various substances, dissolving ionic compounds and other polar molecules effectively. This is because the positive and negative ends of the water molecule can surround and separate the ions or polar molecules.

Conclude why water is a versatile solvent: The ability of water to dissolve a wide range of substances is due to its polar nature, making it an excellent solvent for biological processes.