15 Flashcards
1
Q
The excretory system uses oxygen because oxygen diffuses more rapidly into the excretory system because it contains water in the urine.
A
2
Q
The inspiratory and the expiratory reserves make up the total volume in the lungs.
A
3
Q
To prevent back flow of blood in the heart there are __________________.
A
valves
4
Q
The two circuits in the heart and the cardiovascular system have the same blood pressure
A
5
Q
What does carbonic anhydrase do?
A
Carbonic anhydrases (CAs) catalyze a reaction fundamental for life: the bidirectional conversion of carbon dioxide (CO2) and water (H2O) into bicarbonate (HCO3-) and protons (H+)
