P1 Water_PHF

WATER
WATER
WATER

PHYSICAL HEALTH & FITNESS
PRIMAY 1

FACTS OF WATER

Our bodies contain a lot of water — 60% of an adult’s weight, and 80%
of a newborn’s weight, is body fluid. In other words, the body of a 70 kg
man contains about 42 liters of water. Our saliva is water. Our blood is
water. Our perspiration and urine are water.

WHY DO WE NEED WATER?

• We need to stay alive Survival Fight Illness • When we have a headache or
because our body is made Prevent fever we drink water
up of water Dehydration
• When our body is hot or our body
• We can live without food temperature is high we drink water
for days but we cannot live to cool the body
without water for a few
days Functioning • The organs like the brain, heart,
of Organs skin, lungs, stomach need water to
• Water is the most critical
nutrient for life work.
• The kidneys need water to remove
• Dehydration means not
enough water in your body. waste from our body.
• The brain needs water for you to
• We lose about 2litres of
water through sweat, urine, stay focus and concentrate
excretion & breathing out
each day so we must
replace the water removed
from our body

WHAT HAPPENS WHEN YOU DEHYDRATE

IMPORTANCE OF WATER IN CHILDREN

Water makes your body work better.
When you are dehydrated, you will feel tired and not perform as well. You
cannot concentrate, focus and do not have the energy.

When you are hydrated, you will be able to run faster, jump higher, climb
better. You see, muscles are made of 79% water, blood is 80% water and
bones are 22% water.

Water makes you think and learn better.
The brain is made up of 75% water.
Dehydration makes you moody, grumpy and your brain just doesn’t think right.

When you are hydrated your brain will function at optimum

IMPORTANCE OF WATER IN CHILDREN

Water makes your body healthier.
Water helps clean out the garbage of the body like the toxins and poop.
Constipation (not able to pass motion or poop) is a sign of dehydration.

Water makes your skin healthy and not itchy.
Dehydration causes the skin to dry up and be itchy. Dehydration also causes bad
breath and dry mouth.

5. Water makes you breathe better.
If you have a cold or fever, your body needs more water. Fever causes water
loss.
If you have a cold, water helps the mucus membranes keep the secretions from
clogging the airways. It’s the best cough medicine

HOW MUCH WATER DO WE DRINK?

HOW DOES OUR
BODY REACT
WHEN WE
DO NOT DRINK
ENOUGH WATER?

IN SUMMARY…

HOMEWORK:

PR 1.4 : COMPLETE PAGE 11 OF YOUR “AN ACTIVE AND HEALTHY ME” BOOK
PR1.1, PR1.3, PR1.5 :
YOU DO NOT HAVE THE BOOK WITH YOU.
PLEASE PRINT THE PAGE AND COLOUR THE NUMBER OF CUPS OF WATER YOU DRINK FROM MONDAY TO SUNDAY.
SUBMIT YOUR WORKSHEET TO MISS YEO YOUR PE TEACHER WHEN YOU RETURN TO SCHOOL