1. Pharynx
2. Larynx
3. Gills
4. Lungs
Lungs
1. Dry epithelium
2. Moist epithelium
3. squamous epithelium
4. Endothelium
Moist epithelium
1. Liver
2. Muscels
3. Brain
4. Skin
Muscels
1. Sugar
2. Starch
3. Proteins
4. Fats
Sugar
1. Fat metabolism
2. Krebs’ cycle
3. Lactic acid
4. Pyruvic acid
Krebs’ cycle
1. Expiration
2. Breathing
3. Cell respiration
4. Inspiration
Cell respiration
1. Thin walled, inelastic and solid bags
2. Thin walled, elastic and hollow bags
3. Thin walled, elastic, hollow bags
4. Thin walled, hollow and spongy
Thin walled, elastic, hollow bags
1. 100 millions
2. 150millions
3. 200 millions
4. 300 millions
150millions
1. Trachea
2. Wall of thoracic cavity
3. Diaphragm
4. Ribs
Wall of thoracic cavity
1. Bronchi
2. Tracheoles
3. Bronchioles
4. Terminal bronchioles
Terminal bronchioles