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Estelle Gonzalez

Physiology

What ion primarily determines the resting membrane potential? Potassium (K⁺)
What hormone regulates the sleep-wake cycle? Melatonin
What is the plasma membrane made of? A phospholipid bilayer with embedded proteins, cholesterol, and carbohydrates.
What is positive feedback? A mechanism that amplifies a change
What is cytoplasm? A gel-like fluid that fills the cell and holds organelles in place.
What is negative feedback? A mechanism that reverses a deviation from the set point to maintain homeostasis.
What are the four basic tissue types in the human body? Epithelial, Connective, Muscle, and Nervous tissue
What are the three components of a homeostatic control system? Receptor, Control Center, and Effector
What is the main function of connective tissue? Supports, connects, and protects body structures
What are the three types of muscle tissue? Skeletal, Cardiac, and Smooth muscle
What is the main function of nervous tissue? Communication and control via electrical signals
What are the two main divisions of the nervous system? Central Nervous System (CNS) and Peripheral Nervous System (PNS)
What is the "fight or flight" system? Sympathetic nervous system
What is the "rest and digest" system? Parasympathetic nervous system
Created by: Estelle_G
 

 



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