Do now!

Can you read through the notes you made last lesson?

This lesson

• Know how lungs are adapted to do their job

• Know what happens to the diaphragm and muscles when you breathe

Remember!

The respiratory system supplies the oxygen to the cells for respiration and removes the carbon dioxide

Note however

that breathing is

not respiration!

cough

How are lungs adapted to their job?

Can you gather around Mr Porter please?

Can you complete the sheet “breathing”?

Look after your lungs!

Don’t smoke!

=

Major poisons in cigarette smoke

YouTube - Efforts of smoking – Artery

YouTube - tar on lungs

Nicotine

• Addictive

• Heart beats faster and narrows blood vessels

• Can cause heart disease

• Accelerates existing cancers

Nicotine

• Addictive

• Heart beats faster and narrows blood vessels

• Can cause heart disease

• Accelerates existing cancers

Can you copy this please?

Tar

• Contains over 1000 chemicals, some of which cause cancer (carcinogenic).

• Irritates air passages and makes them narrower

• Stops cilia in the trachea from working properly

Tar

• Contains over 1000 chemicals, some of which cause cancer (carcinogenic).

• Irritates air passages and makes them narrower

• Stops cilia in the trachea from working properly

Can you copy this please?

Carbon monoxide

• Taken up by the blood instead of oxygen

• Highly poisonous

Carbon monoxide

• Taken up by the blood instead of oxygen

• Highly poisonousCan you copy this please?

Questions!

• Can you answer the questions on page 17 please?