Biology - The body, the breath

What do you need to do, to use the energy that is contained in the food?

• the nutrients must be burned.

• you have to chew properly.

• the nutrients must be mixed with the three fluids in the small intestine.

What do you get when you breathe in?

• air supply

• oxygen supply

• lungs

Where does the blood get the oxygen from?

• intestinal lungs

• the large lungs of the lungs

• the small lungs of the lungs

When the nutrients are burned in the body, they form…

• Blood

• carbon dioxide

• skeleton

What is carbon dioxide?

• it is an invisible and odorless gas that the body doesn't need.

• it is the oxygen that the blood needs to circulate in the body.

• it is the lung blisters of the lungs.

Exhaled air also content …

• carbon dioxide

• water vapor

• oxygen

What are soft and delicate?

• the lungs

• the skeleton

• the small intestine

How much air does a person draw in, in a breath?

• a whole liter

• almost half a liter

• half a liter

How many breaths does a child take in one minute?

• 15-20 breaths

• 30 breaths

• 35-40 breaths

… Is a powerful tube with several cartilage rings.

• trachea

• midriff

• bronchi