3951661
Descrição
FlashCards por Phoebe Sass, atualizado more than 1 year ago
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Criado por Phoebe Sass
aproximadamente 9 anos atrás
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| Questão | Responda |
| What is the central nervous system? | Messages sent between the brain and spinal cord. |
| What is the peripheral nervous system? | Messages sent from the brain and spinal cord to the muscles in the body. |
| What is a spinal reflex? | When we react to something and our bodies don't realize it until after it has happened. |
| What is a homeostasis? | A series of automatic control systems ensures that the body maintains a constant temperature and steady levels of water, ions and blood sugar. |
| What are hormones? | Chemicals that act like messages. They are selected by glands and carried in the blood. |
| What is glucose? | A type of sugar used by the body to provide energy. |
| Name the parts of the eye. | Cornea, lens, Retina, Blind spot, Optic nerve, Ciliary muscles, iris and pupil. |
| Inherited fetchers that form our identity. | Cystic fibrosis, attached earlobes, natural hair colour, natural eye colour, sickle-cell anaemia, huntington, freckles, colour blindness, Body mass, height, intelligence, asthma and skin colour. |
| Environmental fetchers that form our identity. | Scars, accent, language, taste, piercings, type 2 diabetes, hair dye, body mass, height, Intelligence, asthma and skin colour. |
| Explain how a food chain works. | The energy at the start of a food chain comes from sunlight. Food chains usually start with green plants. However algae are also producers so they can start of a food chain. Consumers often belong to more than one trophic level. When badgers eat seeds they are primary consumers, when they eat worms they are secondary consumers. |
| What is a pyramid of biomass? | The length of each bar represents the biomass at each level of the food chain. |
| What is a pyramid of numbers? | The length of each bar represents the number of organisms at each level in the food chain. |
| What are the male and female reproductive cells? | Male= X + Y Female = X |
| How many chromosomes are in a human body cell? | There are 23 chromosomes in a human body cell. |
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