CIRCULATION AND GAS EXCHANGE Chapter 42. Gas Exchange Systems of Different Animals Gastrovascular Cavities –(Platyhelminthes, Cnidarians, simple animals)
Circulation and Gas Exchange Chapter 42. Overview: Trading with the Environment Every organism must exchange materials & energy with environment Exchanges.
Gas Exchange Chapter 22. The Air Up There Air is a fixed ratio of partial pressures (P x ) Air thins with increasing altitude – Gas in same ratio, but.
Circulation and Gas Exchange Chapter 42
How long can you hold your breath? Brett LaMaster - constant ballast free diving record – 266 ft., 2 ½ minutes Francisco Ferreras (Pipin) - no limits free.
Gas Exchange
Figure 42.1. How does blood help regulate homeostasis?
C IRCULATION AND G AS E XCHANGE Chapter 42. I NTERNAL T RANSPORT Gastrovascular cavity makes circulatory system unnecessary Open and closed circulatory.
