Inorganic Nutrients: mineral salts & water

• Water

• Mineral salts

Inorganic nutrients

CLIL Unit 2023/24IES Vega de Atarfe.

Nutrition

Giuseppe Arcimboldo 1526-1593 self portrait

Click here to learn more about minerals in our body

• Mineral salts are found in water, as part of food or added to food(salt)

- 4% of total body weight. - Functions: * regulating functions - muscle contraction - nerve transmission * building functions - bones and teeth - formation of cell membranes - formation of proteins

• Water

Inorganic nutrients

How much water is there on Earth?

70 %

60 %

55 %

50 %

80 %

The average percentage of water in a person's body is around 60%. It varies depending on age and sex.

50-80 years old

35-50 years old

20-35 years old

5-20 years old

0-5 years old

How much water in you?

eyes

liver

kidneys

What percentage of water is there in your organs?

Water balance

muscles

bones

skin

blood

brain

lungs

heart

health benefits

It helps deliver oxygen all over the body.

It flushes body waste, mainly in urine.

It is essential in digestion : it converts food to components needed for survival.

It protects and cushions vital organs & joints.

What does water do for you?

health benefits

It allows body cells to grow.

It is needed by the brain to create hormones and neurotransmitters.

It forms saliva

It regulates body temperature.

It keeps mucosal membranes moist : nose, mouth, eyes, tongue …

What does water do for you?

WHAT DOES WATER DO?

1. digestion2. deliver oxygen 3. flushes body waste 4. protects … vital organs & joints. 5. saliva 6. body temperature. 7. body cells 8. brain 9. mucosal membranes 10. kidney problems.

YOUR TURN !

not exactly true

A person can live for 3 minutes without air (oxygen), 3 days without water and 3 weeks without food.

Do you know the "rule of three"?

Make sure you are well hydrated !

It depends on many circumstances. However, without water, a person can die in 2-3 days, and probably you won't survive for more than 5-6 days.

Thirst is actually a sign of dehydration, so if you feel thirsty, you have some catching up to do!

Most people need at least six cups of plain water each day.

How much water should I drink ?

Follow 3 easy steps to see whether you are drinking enough water.

The calculator will work out your hydration level based on the information you give about yourself and your daily drinking habits.

Hydration Calculator

Your turn!

Step 1: gender, age, weight, height

Hydration Calculator

Step 3;Daily liquid intake

Step 2: Physical activity, country

Watch this video (1'12'') to learn what happens when you drink water.

The long journey of water in the body

Drag the information to the correct image to describe the water journey on the body

When it is full, don’t hold it in, run to the toilet!

The bladder stores urine.

The kidneys clean the blood waste and produce urine.

Blood transports water and this waste to the kidneys.

The body organs make waste.

Thanks to veins, the blood delivers water to the whole body: heart, liver, lungs, brain, skin, bones …

Water goes through the walls of the intestine into the blood.

Then, water goes into the small intestine

Water arrives in the stomach where it stays for a few minutes.

The water you drink begins its journey going down the esophagus in a few seconds.

YOUR TURN !

Your turn!

Put the liquids in the correct order from the one with the lowest calories to the one with the highest.

Which liquid contains the most calories?

Respiration Boardgame

Digestion Boardgame

Nourriture - Jeu Connecter 4

Foods - Connect 4 Game

The Excretory System

Types of Food - 2

The Circulatory System

Food Groups - The Odd One Out

The Respiratory System

The Digestive System

Types of Foof - 1

The Food Wheel: Organic Nutrients

Nutrition - Links

Hydration for Health

University of Missouri System

USGS Science for a changing world

Wikipedia

Harvard Health Publishing. Medical School

Freepik

Pixabay

Acknowledgements

Hydration For Health