345297
Descripción
Fichas por bridget.watts97, actualizado hace más de 1 año
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Creado por bridget.watts97
hace alrededor de 11 años
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| Pregunta | Respuesta |
| Tell me about Single Circulatory Systems... | Low pressure, flows around the body in a single circuit, the heart has two chambers, deoxygenated blood is pumped to the gills, then oxygenated blood is pumped to the body. e.g. fish |
| Tell me about Double Circulatory Systems... | Heart has four chambers e.g. humans |
| What does the CORONARY ARTERY do? | It supplies the heart itself with glucose and oxygen. |
| What does the PULMONARY VEIN do? | It carries oxygenated blood from the lungs to the heart. |
| What does the AORTA do? | It carries oxygenated blood from the heart to the rest of the body. |
| What does the VENA CAVA do? | It carries deoxygenated blood from the parts of the body back to the heart. |
| What does the PULMONARY ARTERY do? | It carries deoxygenated blood from the heart to the lungs. |
| This needs a constant supply of glucose and oxygen to release energy through respiration. | THE HEART |
| Carry blood under high pressure away from the heart. | ARTERIES |
| Have valves to prevent backflow. | VEINS |
| The heart pumps blood around the body through... | BLOOD VESSELS |
| Name 3 places that you can take your pulse | neck, wrist, ear or temple |
| A measure of the heart beat (muscle contraction) to put the blood under pressure... | A PULSE |
| The heart beat is controlled by groups of cells called... | THE PACEMAKER |
| What does a pacemaker do? | Produces small electrical impulses, which spread across the heart muscle, stimulating it to contract. |
| What is the SINOATRIAL NODE (SAN)? | It provides impulses that spread across the atria to make them contract. |
| What is the ATRIOVENTRICULAR NODE (AVN)? | It relays impulses that spread over the ventricles to make them contract. |
| What is the name of a hormone that can alter the heart rate? | ADRENALINE |
| What is the test called where you can monitor the electrical impulses from the heart? | ELECTROCARDIOGRAM (ECG) |
| What is the test called that uses ultrasound to produce an image of the beating heart? | ECHOCARDIOGRAM |
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