Metabolic Rate Flashcards
1
Q
Organisms with high metabolic rates require?
A
More efficient delivery of oxygen to cells
2
Q
What has high metabolic rates?
A
Birds and mammals
3
Q
Describe the circulatory system of birds and mammals.
A
Complete double system with 2 atria and 2 ventricles
4
Q
Describe the circulatory system in amphibians and most reptiles.
A
Incomplete double circulatory system with 2 atria and 1 ventricle
5
Q
Describe the circulatory system in fish.
A
Single circulatory system with 1 atrium and 1 ventricle
6
Q
Having a double circulatory system enables?
A
Higher metabolic rates to be maintained
7
Q
What enables efficient oxygen delivery to cells?
A
No mixing of oxygenated and deoxygenated blood,
Oxygenated blood can be pumped out at higher pressure,
