Flashcards
The Heart and Blood Vessels
Flashcards do conjunto (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.
Informações
- Descrição
- Chapter 26
- Criado por
- Sophie Boxwell · abr 2019
- Atualizado
- 8 abr 2019
- Visualizações
- 7
- Avaliação