The Respiratory System ? What words describe the respiratory system? Materials: textbook, diagram of lung Copyright, 1996 © Dale Carnegie & Associates, Inc.

What happens to the cilia The Path of the Air Mouth, nose Pharynx Trachea larynx cartilage cilia ? What happens to the cilia due to smoking?.

The Path of the Air -cont Bronchi Bronchioles Alveoli - a blind sac capillaries Hemoglobin ? What happens to the cilia due to smoking?.

Oxygen moves into capillaries

Can you label the diagram? Diaphragm Bronchi Larynx Pharynx Trachea Capillaries Lung Alveoli Air Space Nose/nostril Esophagus Bronchiole

Can you fill in the diagram of the lung? 1 nose 2 pharynx (nasal cavity) 3 glottis (pharynx) 4 epiglottis 5 larynx 6 esophagus 7 trachea 8 lung 9 pleural membrane 10 bronchi 11 elastic tissue, bronchiole 12 diaphragm 13 alveolus 14 blood vessel 15 capillary 16 bronchioles 17 air space (alveolus)

Lung movement caused by …. The diaphragm Intercostal muscles Lung tissue is not muscle tissue ? What is the shape of the diaphragm when it is relaxed?

Breathing Animation

Exhalation - Inhalation Respiration Animation diaphragm Deflated lung Relaxed diaphragm Inflated lung contracted diaphragm Mary Wang ‘03

Nose Pharynx Larynx Trachea Alveoli Bronchiole Diaphragm

How breathing is controlled. Read page 840 and take notes. Respiration Animation

How breathing is controlled. Carbon dioxide increases Respiratory center in medulla oblongota detects increase. Autonomic nerve to diaphragm fires. Diaphragm contracts. ? What happens if you hold your breath for a long time?

The Respiratory System To Do today? Feel alive! Take deep breaths! Materials: textbook, diagram of lung Copyright, 1996 © Dale Carnegie & Associates, Inc.