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Physiology Weeks 1-6

QuestionAnswer
What type of feedback control systems oppose a change? Negative-feedback control systems
What type of feedback control systems accelerate a change? Positive-feedback control systems
What is homeostasis? A state of relative constancy
What is a basic component of every feedback control loop? Sensor mechanism, integrating center, effector, feedback.
What is a normal reading or range? Set point
What is ATP? The form of energy that cells generally use
What are the base pairings of DNA Molecules? Adenine+Thymine Guanine+Cytosine
What 4 elements do proteins have? carbon, oxygen, hydrogen, and nitrogen
What are the phases of mitosis? prophase, metaphase, anaphase, telophase, cytokenesis
What is a catalyst? A chemical that reduces the amount of activation energy needed to start a chemical reaction
Which cells of the skin are filled with a tough, fibrous protein and account for most of the epidermal cells of the skin? Keratinocytes
What are the layers of the skin? Stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, stratum corneum
What gland is responsible for the waxy secretion in the external ear cancal? Ceruminous
Why do bones grow? Activity in the epiphyseal plates
What is another name for growth plates in the bone? Epiphyseal plates
What does the axial skeletal structure do? Provides framework for muscles that anchor and stabilize the appendicular bones
What does red bone marrow do? Produces red blood cells
What is the largest and most commonly injured joint? Knee
What is the muscles ability to stretch or extend and return to its resting length called? Extensibility
What are the four kinds of protein that make up myofilaments? (muscles) Myosin, actin, tropomyosin, and troponin
T/F: Synovial joints are freely moveable. TRUE
Joints are named according to the type of ___. Connective tissue that joins the bones together
Increase in muscle size is called Hypertrophy
Created by: kbpick11
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