Respiration And Circulation Flashcards
1
Q
Respiration Cycle 1
A
Filling posterior air sacs (inhale)
Movement from posterior sacs to lungs (exhale)
2
Q
Respiration Cycle 2
A
Movement from lungs to anterior air sacs (inhale)
Movement from anterior sacs to outside (exhale)
3
Q
Optimizing Respiratory System
A
Unidirectional Air Flow
Cross Current Flow
No equilibrium between partial pressure of O2 and CO2
Thin capillary membranes
4
Q
Tissues involved in flight require ____ affinity hemoglobin
A
Low/generous
5
Q
High altitude migration and diving birds need ___ affinity hemoglobin
A
High/Greedy
6
Q
Blood
A
No plasma
Nucleated RBC
Large heart
High blood pressure
7
Q
Rete Miable
A
Countercurrent heat exchange
Conserve and Transfer Heat
