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Biology
| Question | Answer |
|---|---|
| Biology | The study of life |
| organism | A living thing; one of many different forms of life |
| Cycle | A course or series of events or operations that repeats |
| Energy | the ability to do work |
| Law of Conservation of Energy | energy cannot be created or destroyed |
| Cell | the basic unit of life |
| Evolution | the change in a population overtime |
| Species | a group of organisms that can reproduce with each other |
| Adaptation | an adjustment to environmental condition |
| Ecosystems | all of the living and nonliving things found in any particular areas |
| Homeostasis | the ability of organisms to maintain their internal conditions |
| diffusion | the movement of molecules from an area if high concentration to an area of low concentration |
| transpot | to move molecules from one side of a membrane to the other |
| osmosis | the movement of water through a cell membrane |
| Prokaryote | a cell with one outide membrane and no nucleus |
| Eukaryote | a cell with several internal structures, including a nucleus |
| Binary fission | reproduction in which a bacteria divides into to two cell that look up same as the region cell. |
| Tissue | A group of cells that are similar and work together |
| Epithelial cell | A skin cell |
| Nervous tissue | Nerves made from collections of nerve cells |
| Organ | A group of different tissues that work together to performs specific fuctions |
| Organ system | A group of organs that work together to perform specific connected tasks |
| Circulatory system | A collection of organs, including the heart, which moves blood and gases throughout the body |
| Bilary | two layers |
| Cytoplasm | the area inside a cell that contains organelles cytosol |
| cytosol | The fluid base of the cytoplasm contains molecules used and made by the cell. |
| Passive Transport | the movement of molecules across a membrane when the movement requires no energy |
| Active Transport | the movement of molecules across a membrane when the movement requires energy |
| Cell Membrane | A very thin membrane that surrounds the cytoplassm of a cell |
| Estrogen | A female sex hormone |
| Fallopian Tube | A tube through which eggs pass from an ovary to the uterus |
| Gonad | An organ that makes gametes |
| Menstruation | The process durning which an unfertilized egg, blood, and pieces of the lining of the uterus exit the female body |
| Oocyte | An early egg cell that has not finished meiosis |
| Ovary | The female organ that makes egg cells |
| Semen | A mixture of fluid and sperm cells |
| Testosterone | A male sex hormone |
| Urethra | The tube that carries urine and semen out of the body |
| Uterus | An organ in most female mammals that holds and protects an embryo |
| Vas deferens | The tubes that connect the tests to the urethra |
| Gestation Time | The period of development of a mammal, from fertilization until birth. |
| Placenta | A tissue that provides the embryo with food and oxygen from its mother's food. |
| Umbilical cord | The cord that connects an embryo to the placenta. |
| Fetus | An embryo after eight weeks of development in the uterus. |
| Ingestion | The intake of food, the first stage of digestion |
| Pharynx | The passageway between the mouth and the esophagus for air and food |
| Peristalsis | The movement of digestive organs that pushes food through the digestive tract |
| Chyme | The liquid food in the digestive tract that is partially digested |
| Bile | A substance mad in the liver that breaks down fats |
| Feces | The solid waste material remaining in the large intestine after digestion |
| Capillary | A blood vessel through which oxygen and food molecules pass to body cells |
| Asthma | A condition that narrows or blocks the airways and makes breathing diffcult |
| Bronchitis | An inflammation of the bronchial tubes |
| Epithelium | A thin layer of cells forming a tissue that covers body surface and lines some organs |
Created by:
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