5238929
Descripción
Fichas por Princess Terin, actualizado hace más de 1 año
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Creado por Princess Terin
hace alrededor de 8 años
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| Pregunta | Respuesta |
| If a tropism is positive, what does this mean? | It grows towards the stimulus |
| What is geotropism? | A growth response to gravity |
| Name a plant hormone | Auxin or Gibberellin |
| What effect does light have on auxin? | It decomposes it (breaks it down) |
| What is phototropism? | A growth response to light |
| Where is insulin produced? | Pancreas |
| What causes type 2 diabetes? Give two ways type 2 diabetes can be controlled. | A person being resistant to insulin. Controlled diet and injecting insulin |
| What causes type 1 diabetes? How can it be controlled? | A lack of insulin. Controlled diet and injecting insulin. |
| What hormone acts in the opposite way to insulin? | Glucagon |
| Where is excess glucose stored? | The liver and muscles |
| What is excess glucose stored as? | Glycogen |
| What hormone reduces blood sugar levels? | Insulin |
| How are hormones transported around the body? | the bloodstream |
| What is the name given to the quick response that protects us from harm? | Reflex |
| What is the Myelin Sheath made of and what is its role? | Fat to insulate the axon |
| Define a synapse and state the generic name for the chemical that crosses it? | The gap between two neurones. Neurotransmitters |
| What is the function of a dendrite? | to connect neurones |
| What part of the neurone transmits information to different neurones, muscles and glands? | Axon |
| What are the cells in your eye that detect light? | Light sensitive cells in the retina |
| What makes up the Central Nervous System? | The brain and Spinal Chord |
| What does Negative Feedback mean? | When a change in one direction is detected a mechanisms reverses the change |
| Explain why we look red when we are hot? | Vasodilation occurs allowing more blood to flow near the skins surface, increasing heat energy loss |
| What method of heat energy transfer does sweating utilise to cool us down? | Evaporation |
| Which part of the brain controls body temperature? | Hypothalamus |
| Define Homeostasis | The maintenance of a stable internal enviroment |
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