Respiratory/Circulatory System of Fishes Flashcards
1
Q
What are the four chambers in the heart of fish?
A
- sinus venosus
- atrium
- ventricle
- conus arteriosus
2
Q
T or F: the fish heart operates as a single-circuit pump (unidirectional)
A
True
3
Q
What are the aortic arches?
A
- blood vessels that go to gills
- arch I is furthest from the heart
4
Q
Which fish changes the flow of its blood in water versus air?
A
Lungfish
