L1 part 2 Flashcards
_ described how the internal environment is separate and different from the external environment.
Claude Bernard
The _ _ of homeostasis involves a stimulus, controlled variable, receptors, control center, effectors, and response.
feedback loop
Claude Bernard described how the internal environment is separate and different from the external environment, i.e, ‘_ _’.
milieu interieur
_ _ coined the term homeostasis.
Walter Cannon
Normal beings strive to maintain a normal internal environment, regardless of the _ environment.
external
Claude Bernard and _ _ coined the underlying principle of physiology, homeostasis.
Walter Cannon
The underlying principle of physiology was brought forward by _ _
Walter CAnnon
A car on cruise control going up a hill is an example of _
homeostasis
An _ _ is sent to the control centre in a car to send gas to an accelerator and the engine for a car to stay at the set cruise control when going up a hill.
error signal
The feedback loop of homeostasis involves a _, controlled variable, receptors, control center, effectors, and response.
stimulus
The feedback loop of homeostasis involves a stimulus, _ _, receptors, control center, effectors, and response.
controlled variable
The feedback loop of homeostasis involves a stimulus, controlled variable, _, control center, effectors, and response.
receptors
The feedback loop of homeostasis involves a stimulus, controlled variable, receptors, _ _ , effectors, and response.
control centre
The feedback loop of homeostasis involves a stimulus, controlled variable, receptors, control center, _, and response.
effectors
The feedback loop of homeostasis involves a stimulus, controlled variable, receptors, control center, effectors, and _.
response
Using the car at cruise control going up a hill example, the stimulus of the system is the…
hill/incline
Using the car at cruise control going up a hill example, the controlled variable of the system is…
the speed setting
Using the car at cruise control going up a hill example, the receptors of the system is the…
speedometer
Using the car at cruise control going up a hill example, the control centre of the system is…
the car engine or cruise control centre
Using the car at cruise control going up a hill example, the effectors of the system is…
the gas pedal compressing
Using the car at cruise control going up a hill example, the response of the system is…
the car speeding up to reach cruise control speed up a hill
Physiology is indicative of the body’ _
functions
An example of the chemical level of the human body is…
atoms or molecules
Smooth muscle cells are indicative of the _ level
cellular
Smooth muscle tissue is at the _ level
tissue
The stomach is at the _ level of the body
organ
The digestive system is at the _ level of the body
system
The highest organizational level of the body is the _ level
organismal
Amino acids binding into protein is an example of _, the metabolic life process
anabolism
The binding of fatty acids and glycerol into triglycerides is an example of _, the metabolic life process
anabolism
The breakdown of glucose and oxygen into carbon dioxide, water and ATP is an example of _, the metabolic life process
catabolism
Avoiding stepping on a tack is an example of this protective life process: _
responsiveness
The bone’s matrix is an example of increasing _ _ _ , an example o f the growth life process
the types of materials between cells (intercellular)
The growth life processes include:
increase in size of existing cells,
increase in the number of cells, and…
increased number of materials BETWEEN the cells
Red blood cells’ formation from unspecified cells in bone marrow is an example of this life process:
differentiation
Receptors serve as a/n _ to the control centre
input
Action potentials or chemical signals to a control centre is an example of _ in the feedback loop
receptors
_ bring about a change or response that alters a controlled variable
effectors
A return to homeostasis occurs when the response brings the _ _ back to normal
controlled variable
A return to homeostasis occurs when the _ brings the controlled variable back to normal
response
Receptors monitor the _ _ in homeostasis
controlled variable
_ disrupts homeostasis by increasing or decreasing a controlled variable
A stimulus
A stimulus disrupts homeostasis by increasing or decreasing a _ _
controlled variable
The homeostatic set point is a series of _ around the normal operating range.
variances
The homeostatic _ _ is a series of variances around the normal operating range.
set point
The homeostatic mechanism is a series of variances around the _ _ _ .
normal operating range
Homeostasis serves as a/n _ _ function.
error sensing
Minor adjustments are continually made to maintain a/n _ _ _
normal operating range
Feedback systems control mechanism that help maintain the _ _.
operating range
_ _’ control mechanisms help maintain the operating range
feedback systems
T/F: Homeostasis is a feedback loop that is associated with a mechanism that helps maintain the operating range.
False: there are a number of mechanisms
_ feedback will reverse a change in a controlled variable
negative
The majority of variables in the body are controlled by the _ feedback system.
negative
Positive feedback is about _ the changes that occur in homeostasis.
amplifying
An example of positive feedback is _
the childbirth blood clotting response
The greater _ of the response in homeostasis is specific to the human body.
complexity
_ is a mechanism that our bodies use in anticipation of a change in the controlled variable.
feedforward
Feedforward is a mechanism that our bodies use in ___ change in the controlled variable.
anticipation of a
Feedforward is a mechanism that our bodies use in anticipation of a change in the __.
controlled variable
If one anticipates a tasty meal, one’s mouth waters. This is an example of the _ mechanism
feedforward
T/F: Homeostasis is a continuous cycle.
true
The constant monitoring of the internal environment in homeostasis is dependent on the __, a continuous process.
feedback loop
Greater _ on the controlled variable/s is the main reason for body compartmentalization.
impact
Greater impact on the controlled variable/s is the main reason for _ _.
body compartmentalization
Greater impact on the _ _ is the main reason for body compartmenalization.
controlled variable/s
Another reason for body compartmentalization is the separation of the _ _ from the _ _.
internal environment from the external environment