Biology 3.1.2. Flashcards
1
Q
Closed circulatory system
A
the blood is maintained inside enclosed vessels.
2
Q
Double circulatory system
A
blood passes through the heart twice for each circulation of the body.
3
Q
Mass transport system
A
substances are transported in a mass of fluid with a mechanism for moving the fluid around the body.
4
Q
Single circulatory system
A
blood passes through the heart once for each circulation of the body.