Understanding Body Fluids and Electrolytes

# ✅ **PART 1 — Fill-in-the-blank converted to answer statements (video-ready lines)** 1.

**The human body is about 45–75% water depending on age, sex,

and body composition.** 2. **Elderly individuals have a lower percentage of body fluid and

are more prone to fluid imbalances.** 3. **Body fluids are either intracellular

fluid (inside cells) or extracellular fluid (outside cells).** 4. **The two main types

of extracellular fluid are interstitial fluid surrounding the cells and blood plasma in the circulation.**

5. **The intracellular compartment contains the most water in the body.**

6. **Changes in solute concentration cause water to shift between fluid compartments.**