Water Flashcards
1
Q
How long can humans survive without water?
A
A few days
2
Q
When does dehydration occur?
A
When the body loses more water than it take in
3
Q
What are the functions of water?
A
•cools the body by sweating
•removes waste from the body
•makes saliva
•important to digestion
•blood is 90% water
4
Q
How much water does the average person need a day?
A
2 litres or 8 average size glasses
5
Q
What are the sources of water?
A
•milk
•fruit juice
•coffee
•tea
6
Q
What are the factors that effect the amount of water a person needs?
A
•health
•age
•gender
•physical activity
•environment
•breastfeeding
•eating salty foods
