Gas exchange in humans
Gas exchange in humans
- Breathing systemlarynx, tracheabronchi, bronchiolesalveoliribs, diaphragm
- Intercostal muscles and cartilageSupplementinternal and externalcartilage keeps trachea open
- Gas exchange surfacelarge surface areathin surfacegood blood supplygood ventilation
- VentilationSupplementmuscles and ribsdiaphragmvolume and pressure
- Inspired vs expired airoxygen lesscarbon dioxide morewater vapour morelimewater test
- Exercise and breathingrate and depth increasecount breaths per minute
- Carbon dioxide stimulusSupplementblood CO₂ risesdetected by brain
- ProtectionSupplementgoblet cells and mucusciliated cells