Water in the Body

Water in the Human Body

​How much water have you

drank in the last 24 hours?

Open Ended

How can you give your body water?

Other Things Contain Water!

A tree is 70% water

Earth worms are 80% water

​Nature:

Did you know that a tomato is 90% water?

A glass of milk is 90% water

Tea and Kool-Aid are mainly water

Food:

Multiple Choice

How Much Water is the Human Body Made of?

• 3/4

• 2/3

• 1/2

• 1/4

This tub represents 12 cups of water, or 3 litres.

This is how much water enters the human body each day, approximately.

Open Ended

What ways does the body lose water through the day?

We lose 1/2 a cup of water through our intestines.

Intestines

We lose 6 cups of water through urine.

​​Urine

We lose 2 and 1/2 cups of water through evaporation from breathing.

Breathing

We lose 3 cups of water from sweat and perspiration.

​​Sweat

Half the water we consume comes from the food we eat.

How can we replace the water we lose each day?

​

How do we keep our water balanced?

Open Ended

You are stuck on a desert island. Knowing what you know now about water, what is the one thing you would bring with you to help survive?