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| Questão | Responda |
| Define Homeostasis? | Maintaining a stable internal environment. Maintaining the right conditions within your body |
| Define Osmoregulation? | The regulation of water content internally |
| Define Thermoregulation? | The Regulation of your body temperature |
| What is the Hypothalamus? | A party of the brain |
| What does the Hypothalamus do? | controls the body temperature, contains receptors that are sensitive to blood temperature in the brain. |
| Define Negative feedback? | a mechanism the helps you keep osmo/thermoregulation steady |
| Define hormones? | Slow chemical messengers produced by glands that travel though the blood but only effect particular cells |
| Define Nerves? | strings of neurones, hat carry fast electrical impulses |
| what is a Neurone? | A neuron is a nerve cell that carries electrical impulses around the body |
| What does the myelin sheath do? | insulates the neurone to protect the electrical impulses, it also speeds them up |
| Name the gap between two neurones? | The synapse |
| How does the impulse travel over the synapse? | the impulse is transmitted using chemicals to cross the gap. these chemicals stimulate a new impulse |
| What chemicals are released at the synapse? | neurotransmitters |
| Name the 5 sense organs? | Eyes, Ears, Nose, Tongue, Skin |
| The Central nervous system does what? | coordinates a response |
| Muscles and glands are known as? | Effectors, they respond to nervous impulses |
| Define a reflex? | Reflexes are automatic responses to certain stimuli to help prevent injury |
| reflex arc | stimulis, receptors, sensory neurons, relay neuron in CNS, motor neuron, effector (muscle), response |
| what are Insulin and Glucagon | Hormones |
| insulin is added when? | Blood glucose levels are too high |
| Glucagon is added when? | Blood glucose levels are too low |
| Where is insulin created? | pancreas |
| where is glucose stored? | liver |
| what does insulin do? | Insulin makes liver turn glucose in to glycogen |
| what does Glucagon do? | Glucagon makes the liver turn glycogen into glucose |
| Define Type 1 diabetes | The lack of insulin |
| Define Type 2 Diabetes | resistance to insulin |
| Define Tropism | a plants growth response |
| Define phototropsim | the growth of a plant in response to light |
| Define positive phototropism | growth towards light |
| Define Gravi/Geotropism | the growth of a plant in response to gravity |
| Define Positive Gravi/Geotropism | growth downwards |
| What are Auxins? | Hormones that stimulate growth at the tips of plants |
| what is Gibberellin? | A pant hormone the stimulate plant growth at the stem |
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