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Human Physiology

Week 1 - 6

TermDefinition
Neuromascular Junction (NMJ) The process by which the body keeps a stable internal condition, like normal temperature and blood pressure.
Homeostasis A connection point between a neuron and a muscle fiber where nerve impulses trigger contraction.
Mitochondria A reflex pathway that allows a quick, automatic response to danger without needing brain input.
Reflex Arc The “powerhouse” of the cell where ATP energy is made to fuel body processes.
ATP (Adenosine Triphosphate) A nerve signal that travels along the neuron, causing an electrical impulse in the body.
Action Potential The main molecule that stores and releases energy in cells for muscle contraction and nerve activity.
Sarcomere The “fight or flight” system that helps the body respond to stress or danger.
Sympathetic Nervous System The smallest functional unit of a muscle fiber that shortens during contraction.
Hormone The “rest and digest” system that helps the body relax and recover after stress.
Parasympathetic Nervous System A chemical messenger released by glands that travels in the bloodstream to target organs.
Created by: Gieoravelo
 

 



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