1. Smoking
1.1. Cilia
1.1.1. small hairs sweep up mucus
1.2. Mucus
1.2.1. Slime traps bacteria
1.2.1.1. ______________________________
1.3. ______________________________
1.3.1. bronchi sore
1.4. Emphysema
1.4.1. alveoli walls break
1.4.1.1. less O2 gets in
1.5. heart disease
1.5.1. heart cells get less O2
1.5.2. ____________________________________________
1.6. Nicotine
1.6.1. poisonous addictive
1.7. __________
1.7.1. DNA damaged cells grow too much
2. Red Blood cells
2.1. ___________
2.1.1. called Haemaglobin
3. ___________________
3.1. in mitochondria
4. Anaerobic
4.1. without O2
4.2. ____________________________________
4.2.1. causes cramps
4.3. Recovery time
4.3.1. ________________________________________________
4.4. oxygen debt
5. Breathing
5.1. INHALE
5.1.1. IN
5.2. exhale
5.2.1. OUT
5.3. ________________________
5.4. Moving muscles
5.4.1. Changes shape of lungs
5.4.2. Called intercostal
5.4.3. _____________________
5.4.3.1. sheet of muscle under lungs
5.5. Rate = breaths per minute
6. System
6.1. ______________
6.1.1. Tube from mouth to lung
6.2. Bronchus
6.2.1. goes from trachea to Bronchiloes
6.3. ______________________________
6.3.1. branch into alveoli
6.4. _____________
6.4.1. make up air sacs
6.4.1.1. surrounded by capilliaries
6.5. Gas exchange
6.5.1. O2 in CO2 out of blood
6.5.1.1. _____________________________