Topic 10: Water Flashcards
1
Q
what is the function of water in the body?
A
- regulate body temperature
- helps kidneys flush out excess/foreign substances
- helps filter waste products
- transport nutrients, oxygen and carbon dioxide
- most body processes
2
Q
what is dehydration?
A
more water is being lost from the body than is being replaced by drinking, insufficient water in diet
3
Q
what are the symptoms of dehydration?
A
headache, dark-coloured urine, weak, sick, confused, quick heartbeat, change in blood pressure
4
Q
What happens if the body does not get water?
A
Blood starts to thicken and difficult to pump, so heart stops
5
Q
How much water do we need?
A
1 to 2.5 Litres
6
Q
What factors determine how much water we drink?
A
weather, physical activity, amount of salt, age
7
Q
what is water intoxication?
A
too much water in the diet
8
Q
what are the symptoms of water intoxication?
A
headaches, nausea, vomiting - can cause death
9
Q
Are fruits and vegetables a good source of water?
A
yes
