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Science U2L1
| Question | Answer |
|---|---|
| Organism | A living thing |
| Cells | The basic unit of life |
| Organs | Group of tissues that work together to perform a specific function |
| Structure | Parts of an organism that perform specific tasks |
| Function | A purpose or task |
| Composition | Something that contains other things |
| Systems | A group of parts that work together to do a general function |
| Characteristics of living things | Cells, energy, reproduction, grow & develop, respond to stimuli, adapt |
| Metabolism | All life processes that take place in the cell; includes energy-using processes and energy-creating processes |
| Nutrience | A substance that nourishes an organism |
| Stimulus | Any change in an organism's environment |
| Response | An organism's response to stimuli |
| Reproduction | An organism's way of making more of itself |
| Spontaneous generation | A false belief that says that living things came from non-living matter |
| Adaptation | Characteristics or developments that increase the chances of an organism surviving in a specific environment |
| Variation | Characteristics that differentiate one organism from another |
| Circulatory system function | -Transports oxygen, food, and other substances -Transports wastes to organs for elimination -Defends the body against diseases -Connects all other organ systems |
| Digestive system function | Breaks down food pieces into much smaller pieces so then they can be absorbed and transported throughout the body |
| Nervous system function | -Coordinate and control actions of all organs and organ systems -Detect, process, and respond to changes in the external and internal environments |
| Excretory system function | Removes chemical and gaseous wastes from the blood |
| Skeletal system function | -Provide a movable support frame for the body -Protect soft-tissue organs such as the heart was lungs |
| Integumentary system function | -Protects the body's internal environment from the external environment -Senses pain, pressure, and temperature |
| Charles Darwin | A brilliant evolutionist that proved the theory of evolution |
| Example of made of cells | An organism |
| Example of non-living organism | A virus |
| Respiratory system function | -Transport oxygen from the outside air to the blood -Transport carbon dioxide from the blood to the outside air |
| Muscular system function | -Move bones -Move organs that contain muscle tissue |
| Circulatory system structure | A series of tubes with a pump |
| Skeletal system structure | Hard, articulated, and provides a point of attachment for the muscles |
| Muscular system structure | Contains muscle cells that can contract and expand to move the body |
| Respiratory system structure | Lungs are made up of a very large surface area to facilitate gas exchange |
| Excretory system structure | Mainly the kidneys, which are a giant filter that filter the blood |
| Digestive system structure | A extremely long tube which transports food |
| Integumentary system structure | Made up of tissues and adapted to make you warm (Hairs on skin) and cooling you off (with sweat glands) |
| Nervous system structure | Made up of very long cells that are able to conduct electrical impulses from one part of the body to another |
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