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Jake Stacey
StudyStack 1
Term | Definition |
---|---|
Cardiac Output | The volume of blood pumped by the heart per minute |
Action Potential | Rapid change in membrane potential of excitable cells, such as neurons and muscle cells |
Renal Filtration | Process by which the kidneys filter waste products and excess substances from the blood |
Sliding Filament Theory | Actin and myosin filaments slide past each other, leading to muscle contraction |
Excitation-Contraction Coupling | Process of converting an electrical stimulus (action potential) into a mechanical response (muscle contraction) |
Central Nervous System (CNS) | Brain and Spinal Cord |
Peripheral Nervous System (PNS) | Nerves and Ganglia outside the CNS |
Acid-Base Balance | Maintaining the pH balance of body fluids within a narrow range (acidic or alkaline) |
Homeostasis | Maintenance of a stable internal environment despite external changes |
3 Phases of an action potential | Depolarization, Repolarization, Hyperpolarization |