Chapter 26 - The Heart and Blood Vessels Flashcards
1
Q
Open circulatory system
A
Blood leaves blood vessels and flows around the cells of the animal’s body before re-entering blood vessels again
2
Q
Closed circulatory system
A
Blood remains in a continuous system of blood vessels
3
Q
Blood pressure
A
Force the blood exerts on the wall of a blood vessel
4
Q
Valves
A
Control direction of blood flow
5
Q
Portal system
A
Blood pathway that begins and ends in capillaries
6
Q
Pulmonary circuit
A
Heart —> lungs —> heart
7
Q
Systemic circuit
A
Heart —> body —> heart
