Dont make me read make me understand www

Being Healthy Copyright of www. makemegenius. com, for more videos , visit us.

The Respiratory System • Gas exchange happens in the lungs. • You have 2

How do we breathe? Mouth Windpipe/trachea bronchioles alveoli blood Copyright of www. makemegenius. com,

Inhalation (When we breathe in we inhale) Copyright of www. makemegenius. com, for more

Exhalation (When we breathe out we exhale) Copyright of www. makemegenius. com, for more

Exchanging gases Copyright of www. makemegenius. com, for more videos , visit us.

The Alveoli Oxygen makes its way into thousands of special air sacs collectively called

The Alveolus One of these alveoli is called the ALVEOLUS. This is where the

Comparing inhaled and exhaled air What are the big differences between inhaled and exhaled

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“Don’t make me read, make me understand “ www. makemegenius. com– Full of ingredients to make your child a genius. Copyright of www. makemegenius. com, for more videos , visit us.

Being Healthy Copyright of www. makemegenius. com, for more videos , visit us.

The Respiratory System • Gas exchange happens in the lungs. • You have 2 lungs, situated in your upper thorax / chest • Here, oxygen and carbon dioxide are exchanged – oxygen is needed for life and carbon dioxide is got rid of when we breathe out. Copyright of www. makemegenius. com, for more videos , visit us.

How do we breathe? Mouth Windpipe/trachea bronchioles alveoli blood Copyright of www. makemegenius. com, for more videos , visit us.

Inhalation (When we breathe in we inhale) Copyright of www. makemegenius. com, for more videos , visit us.

Exhalation (When we breathe out we exhale) Copyright of www. makemegenius. com, for more videos , visit us.

Exchanging gases Copyright of www. makemegenius. com, for more videos , visit us.

The Alveoli Oxygen makes its way into thousands of special air sacs collectively called the ALVEOLI. The outside of the alveoli is covered with tiny blood vessels. Copyright of www. makemegenius. com, for more videos , visit us.

The Alveolus One of these alveoli is called the ALVEOLUS. This is where the oxygen is transferred into the blood and carbon dioxide moves out of the blood. If all these alveoli flattened and spread out onto the floor, they would cover an area the size of a tennis court! Copyright of www. makemegenius. com, for more videos , visit us.

Comparing inhaled and exhaled air What are the big differences between inhaled and exhaled air? How could you test for these? Inhaled Air Exhaled Air Nitrogen (78%) Oxygen (20. 71%) Carbon Dioxide (0. 1%) Other Nitrogen (75. 5%) Oxygen (14. 6%) Carbon Dioxide (4%) Other There is another difference…… …… water vapour. Copyright of www. makemegenius. com, for more videos , visit us.

Lets take a closer look (avi) Copyright of www. makemegenius. com, for more videos , visit us.

Backup of as wmv file Copyright of www. makemegenius. com, for more videos , visit us.

Thanks Submitted by Harshit Pandey St. johns Public School Copyright of www. makemegenius. com, for more videos , visit us.

If you also want to share your own or your kid’s presentation(ppt) please send it on info@makemegenius. com Copyright of www. makemegenius. com, for more videos , visit us.

“Don’t make me read, make me understand “ www. makemegenius. com– Full of ingredients to make your child a genius. Copyright of www. makemegenius. com, for more videos , visit us.