Flashcards
The Heart and Blood Vessels
Cards in this deck (9)
- 1Open circulatory System?An open circulatory system means blood leaves the blood vessels and flows around the cells of the animals body before re-entering blood vessels again
(Crabs,lobsters, insects and spiders) - 2Closed circulatory system ?A closed circulatory system means blood remains in a continuous system of blood vessels.
- 3Blood pressureBlood pressure is the force of blood against the walls of the arteries.
- 4ValvesValves control the direction of blood flow.
i.e Prevent the back flow of blood. - 5L.O.R.DLeft
Oxygenated
Right
Deoxygenated
- 6Portal systemA portal system is a blood pathway that begins and ends in the capillaries.
(Not connected directly to the heart)
Example: hepatic portal vein, this vein connects the stomach and intestines to the liver. - 7DiastoleDiastole is the term for when the heart chambers relax.
- 8SystoleSystole is when the heart chambers contract
- 9A pulseA pulse is the alternate expansion and contraction of the arteries.
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- Description
- Chapter 26
- Created by
- Sophie Boxwell · Apr 2019
- Updated
- Apr 8, 2019
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