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Creado por Anton Griffith
hace más de 7 años
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Pregunta | Respuesta |
Biology B3 | The Respiratory system |
Inhaling | The diaphragm contracts and flattens |
Intercostal muscles | Contracts |
Ribs | The raise and expand out |
Pressure in lungs | Decreases |
Exhaling | The diaphragm relaxes and domes |
Intercostal mucscles | Relaxes |
Ribs | Retreat down and inwards |
Pressure in lungs | Increases |
circulatory system | Labelling the heart |
Which vessel contains veins and why? | The veins contain vessels and its to prevent the back flow of blood. |
3 Components of blood and their uses | Red blood cells-Transports oxygen White blood cells-The bodies defence mechanism Platelets-helps blood clotting |
what form is oxygen transported to tissues and how is it released? | Oxygen combines with haemoglobin and forms oxyhaemoglobin that then gets split when it reaches the tissue |
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