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Body Systems

TermDefinition
Digestive System Breaks down food into nutrients for energy and repair.
Excretory System Removes waste and excess water from the body
Circulatory System Transports oxygen, blood, and nutrients throughout the body.
Respiratory System Brings in oxygen and removes carbon dioxide.
muscoskeletal system Provides structure, support, and allows for movement.
Endocrine System Regulates body processes using hormones.
nervous system The control center that sends electrical signals to coordinate actions.
homeostasis It is the process where the body works to keep everything balanced
chemical digestion Enzymes and chemicals break down food into tiny molecules so your body can absorb them.
physical digestion The physical breaking apart of food into smaller piece
hormone A chemical messenger created by the body
stimulus A signal from the environment that triggers a reaction.
reflex An automatic response to a stimulus that happens without you even thinking about it.
neuron A nerve cell that sends and receives electrical signals throughout the body.
heart The muscle that constantly pushes blood through your veins and arteries to deliver oxygen to your cells.
alveoli Small air sacs in the lungs that are responsible for gas exchange
organ A group of different tissues working together to do a specific job
tissue A group of similar cells that work together to do a specific task.
adrenaline A hormone released when you are scared, excited, or in danger.
bone Body part responsible for protecting your organs and giving your body shape.
Created by: user-2037898
 

 



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