1.5 Water Flashcards Preview

Biology > 1.5 Water > Flashcards

Flashcards in 1.5 Water Deck (10)
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1
Q

How much of our body mass is water?

A

60%

2
Q

Where is water found in the body?

A

Cells
Water in blood
Water in intercellular fluid between the cells

3
Q

Low water levels lead to…

A

Slowing down or stopping of reactions inside cells

Too little water in plasma, blood cannot be pumped around the body as easily

4
Q

We lose water through…

A
Water vapour
Breathing out
Sweating
Faeces
Urine
5
Q

Some drinks can have diuretic effects which means

A

Cause you to lose water because they increase the amount of water lost in urine

6
Q

Diuretic effect drinks are…

A

Alcohol
Spirits
Caffeine

7
Q

Water is treated with

A

Chlorine or UV light to make sure no harmful bacteria are present

8
Q

Soft water contains

A

Fewer mineral salts than hard water

9
Q

Loss of inorganic ions in sweat must be replaced and so will glucose therefore…

A

Drinking isotonic drinks have roughly the same water potential as the persons body fluids - should replace the lost water and ions as well as providing glucose for respiration

10
Q

Isotonic…

A

Solution that has the same water potential as your blood plasma