Biology 105
Biology of Exercise
Spring 2003
4/4/03 - Post-class outline
Learning objectives:
How do we get oxygen to the exercising tissues?
Diagrams
Pulmonary gas exchange
- Gases diffuse along partial pressure gradients
- In Air:
- P barometric = 760 mmHg (100%)
- P oxygen = 160 mmHg (21%)
- P carbon dioxide = 0.3 mmHg (0.04%)
- P nitrogen = 600 mmHg (79%)
- In venous blood
- P oxygen = 40 mmHg
- P carbon dioxide = 45 mmHg
- In arterial blood
- P oxygen = 100 mmHg
- P carbon dioxide = 40 mmHg
- Oxygen diffusion in alveoli
- Carbon dioxide diffusion in alveoli
Transport of oxygen in the blood.
- Structure and function of hemoglobin
- Hemoglobin - oxygen binding curves
- Hemoglobin exercise and answers.
