'Air sacs alveoli' presentation slideshows

Answers

Answers. Respiratory System. Pulmonary Ventilation Movement of air in & out of the lungs 4 stages ? External respiration Gas exchange between blood & air Gas transport in blood between lungs and body cells Internal respiration Gas exchange between blood & body cells Cellular respiration

697 views • 52 slides

The Respiratory System

The Respiratory System. 1. 2. 3. 5. 4. 6. 7. 8. Trachea / Wind pipe. Muscles. Lung. Bronchiole. Rib. Air sacs / Alveoli. Bronchus. Diaphragm. Alveoli / Air Sacs This is where gas exchange happens... Oxygen diffuses into the blood Carbon dioxide diffuses out. Air Sacs

535 views • 43 slides

Passive Transport

Passive Transport. Diffusion : Movement of molecules from an area of high to low concentration Movement continues until equilibrium is reached Equilibrium : molecules spread evenly. Diffusion (contd). Where is the higher CARBON DIOXIDE concentration?.

344 views • 25 slides

Passive Transport

Passive Transport. Diffusion : Movement of molecules from an area of high to low concentration Movement continues until equilibrium is reached Equilibrium : molecules spread evenly. Diffusion (contd). Where is the higher CARBON DIOXIDE concentration?.

297 views • 23 slides

Respiratory System

326 views • 20 slides