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Bio: Unit 1 Vocab

gas exchange, digestion, blood glucose

QuestionAnswer
Homeostasis Maintaining a constant internal environment by responding to environmental conditions
Stimulus An environmental factor that causes a reaction
Respiratory System The body system with lungs that helps exchange oxygen and carbon dioxide with the environment
Circulatory System The body system that transports blood with nutrients throughout the body
Respiration Rate The breathing rate; helps regulate oxygen and carbon dioxide levels in the blood
Carbohydrates Needed for ATP production; includes glucose
Lipids Stores energy in the body; makes the cell membrane
Nucleic Acids Store genetic information; DNA and RNA
Proteins Complete digestion and synthesis in the body; also structural
Passive Transport Moves molecules from a high concentration to a low concentration (does not require energy)
Active Transport Moves molecules from a low concentration to a high concentration (requires ATP)
Mouth + Esophogus First site of digestion (physical and chemical); transports food to the stomach
Stomach Contains stomach acid with enzymes to aid in chemical digestion
Small Intestines Mainly region of absorption of nutrients; location of some digestion
Large Intestines Region of water and nutrient absorption
Pancreas Produces insulin to control blood sugar
Trachea When breathing, oxygen is brought into the body to the lungs and carbon dioxide exits the body
Lungs Controls respiration; has specialized cells to complete gas exchange to oxygenate the blood
Alveoli The site of gas exchange in lungs via diffusion
Diaphragm Expands during inhale to create a vacuum to get air in; contracts on exhale to help remove carbon dioxide
Responds to environemnt A characteristic of life when an organism maintains homeostasis by responding to different environmental conditions; examples include sweating, shivering, and gas exchange
Reproduction A characteristic of life where organisms make new organisms by passing on DNA to offspring
Made of cells A characteristic of life stating that organisms are composed of the most basic unit of life (cell) that contains organelles to complete life functions
Metabolism A characteristic of life stating that living things complete chemical reactions
Created by: dpietropaoloblue
 

 



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