Inorganic Nutrients: mineral salts & water

Inorganic nutrients

Nutrition

• Mineral salts

• Water

Giuseppe Arcimboldo 1526-1593 self portrait

CLIL Unit 2023/24IES Vega de Atarfe.

Inorganic nutrients

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

How much water is there on Earth?

How much water in you?

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

60 %

55 %

50 %

70 %

80 %

5-20 years old

35-50 years old

50-80 years old

20-35 years old

0-5 years old

Water balance

eyes

blood

What percentage of water is there in your organs?

muscles

heart

bones

lungs

brain

skin

kidneys

liver

What does water do for you?

health benefits

It helps deliver oxygen all over the body.

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

It protects and cushions vital organs & joints.

It flushes body waste, mainly in urine.

What does water do for you?

health benefits

It regulates body temperature.

It forms saliva

It allows body cells to grow.

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

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

YOUR TURN !

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.

Do you know the "rule of three"?

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

not exactly true

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.

Make sure you are well hydrated !

How much water should I drink ?

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

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

Hydration Calculator

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

Step 2: Physical activity, country

Step 3;Daily liquid intake

The long journey of water in the body

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

YOUR TURN !

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

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

Then, water goes into the small intestine

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

Blood transports water and this waste to the kidneys.

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

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

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

The kidneys clean the blood waste and produce urine.

The body organs make waste.

The bladder stores urine.

Which liquid contains the most calories?

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

Your turn!

Nutrition - Links

The Food Wheel: Organic Nutrients

Food Groups - The Odd One Out

Types of Foof - 1

Types of Food - 2

Foods - Connect 4 Game

Nourriture - Jeu Connecter 4

The Digestive System

Digestion Boardgame

The Respiratory System

Respiration Boardgame

The Circulatory System

The Excretory System

Acknowledgements

Pixabay

Freepik

Hydration for Health

USGS Science for a changing world

Harvard Health Publishing. Medical School

University of Missouri System

Wikipedia

Hydration For Health