Blood Flashcards
An open circuitry system
An open circulatory system means blood leaves blood vessels and flows around the cells of the body before re-entering blood vessels again
A closed circulatory system
A closed circulatory system means blood remains in a continuous system of blood vessels
Blood pressure
Blood pressure is the force the blood exerts against the wall of a blood vessel
Valves
Valves control the direction of blood flow
A portal system
A portal system is a blood pathway that begins and ends in capillaries
Diastole
Diastole is when the heart chambers relax
Systole
Systole is when the heart chambers contract
A pulse
A pulse is the alternate expansion and contraction of the arteries
Plasma
Plasma is the liquid part of blood
Serum
Serum is plasma from which the clotting proteins have been removed
