Water

Question 1

Major component of blood plasma.

A component of all body cells

Constitutes 50–60% of normal adult body weight.
- % higher in males than females
- water content of muscle tissue is higher than that of fat tissue.
- % is highest in newborns (75%) and decreases with age.

As a by-product when carbohydrates, fats, and proteins are metabolized

Answer 1

Water

Question 2

Water Functions:

Water is a Universal _____

Serves as a ______

Necessary for _______

Vital Component of _______, _______, _________

Answer 2

Water is universal solvent

Serves as a catalyst in many biological reactions especially involving digestion and aids in absorption, transportation circulation and elimination.

Necessary for hydrolysis of nutrients in the cells, making it essential for metabolism.

It is a vital component of tissues, muscles, glycogen etc. and is vital for growth.

Acts as a lubricant of the joints and the viscera in the abdominal cavity.

Question 3

Types of Drinking Water

Answer 3

❑ Tap
❑ Purified
❑ Mineral
❑ Distilled
❑ Alkaline
❑ Bottled
❑ Sparkling
❑ Flavored or Infused

Question 3

Sources of water

Answer 3

1. Pre-formed water from beverages or liquids containing water
2. Pre-formed water in foods that are eaten e.g. in fruits, vegetables, soups, milk, and gelatin desserts
3. Metabolic water or “water of oxidation” - product of cell oxidation

***Best source of water is drinking water.
**Beverages of all types are the second-best source.

Question 4

Problems Associated with Water:

Answer 4

Over Hydration or Water Intoxication - can occur when people drink much more water. can also be due to a psychiatric disorder called psychogenic
polydipsia

Dehydration - Occurs when you use or lose more fluid than you take in. Your body doesn’t have enough water and fluids to carry out its normal functions.