17639879
Beschreibung
Karteikarten von Sophie Boxwell, aktualisiert more than 1 year ago
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Erstellt von Sophie Boxwell
vor mehr als 5 Jahre
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| Frage | Antworten |
| Open 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)
Image:
Mobile upload (image/jpeg)
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| Closed circulatory system ? | A closed circulatory system means blood remains in a continuous system of blood vessels. |
| Blood pressure | Blood pressure is the force of blood against the walls of the arteries. |
| Valves | Valves control the direction of blood flow. i.e Prevent the back flow of blood. |
| L.O.R.D |
Left
Oxygenated
Right
Deoxygenated
Image:
Mobile upload (image/jpeg)
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| Portal system | A 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. |
| Diastole | Diastole is the term for 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. |
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