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Cell Membrane Structure and Transport Mechanisms Part 3

Biology29 CardsCreated 4 months ago

This deck covers various concepts related to thermoregulation, internal and external stimuli, responses in animals, the fight-or-flight response, homeostasis, control systems, and feedback loops.

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Which of the following is not a method of thermoregulation?

Deep breathing
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Key Terms

Term
Definition
Which of the following is not a method of thermoregulation?
Deep breathing
Which of the following is an internal stimulus?
When an animal is in pain
Which of the following is a response to an external stimulus?
Migration
What is the response of an ectotherm, such as a lizard, when it encounters cold temperatures?
It will move to a warmer spot
Match the stimulus to an animal's corresponding response. thirst indicates a loss of fluid
search for water and drink
Match the stimulus to an animal's corresponding response. When an animal sees a potential mate
Performs a courtship dance or song
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Cell Membrane Structure and Transport Mechanisms Part 3
TermDefinition
Which of the following is not a method of thermoregulation?
Deep breathing
Which of the following is an internal stimulus?
When an animal is in pain
Which of the following is a response to an external stimulus?
Migration
What is the response of an ectotherm, such as a lizard, when it encounters cold temperatures?
It will move to a warmer spot
Match the stimulus to an animal's corresponding response. thirst indicates a loss of fluid
search for water and drink
Match the stimulus to an animal's corresponding response. When an animal sees a potential mate
Performs a courtship dance or song
Match the stimulus to an animal's corresponding response. Pain lets an animal know it is injured or about to be injured
Finds somewhere to hide until healed
Match the stimulus to an animal's corresponding response. When an animal notices a change in seasons such as summer.
migration
Match the stimulus to an animal's corresponding response. When an animal sees a predator
Run away or hide
Physical reaction is part of an interesting human response called 'fight or flight.' Which of the following is not a physical reaction that you may have when your body is entering the fight-or-flight response?
Your mouth waters
The parasympathetic nervous system is responsible for getting your body back to its normal state after a perceived threat has passed. Which of the following is not a response of the parasympathetic nervous system?
Dilation of pupils
Why do the blood vessels going to the skin and internal digestive organs constrict and get smaller during a fight-or-flight response?
To redirect blood to the areas that are involved in the panic response
Which of the following is not regulated by homeostasis?
Height
Your hand gets too close to the campfire while you are roasting marshmallows. What would happen if your body's sensors are not working?
You would burn your hand
_____ change their activity in order to bring the body back to its normal state.
Targets
Put the steps of a basic control system in order (order 1-4). communication system
3
Put the steps of a basic control system in order (order 1-4). sensor
1
Put the steps of a basic control system in order (order 1-4). target
4
Put the steps of a basic control system in order (order 1-4). control center
2
Why are control systems found in the body?
Control systems work to maintain homeostasis by collecting data via sensors, transmitting the data to control centers, and sending communications to targets within the body to cause a response.
How do positive and negative feedback loops differ?
Positive feedback loops increase the initial signal, while negative feedback loops decrease the original signal.
You sustain a paper cut. Platelets arrive at the site and release chemicals that attract more platelets. Platelets continue to arrive until a clot has formed. What type of feedback is this?
Positive
Feedback loops are _____ systems of information.
Closed
During labor in childbirth, what is the next step of the positive feedback loop below? 1. Contractions push the fetus against the cervix. 2. The cervix begins to dilate. 3. Dilating triggers the production of the hormone oxytocin. 4. _____
More frequent, stronger contractions begin
Which of the following is not true of lactation?
After childbirth, a woman automatically begins to lactate.
In a positive feedback loop, the response to the signal _____ the original signal.
Increases
Which of the following scenarios can be classified as a negative feedback loop?
Increase in blood pressure to reduce heart rate
Which of the following is not true of negative feedback loops?
Negative feedback loops are temporary.
Which of the following is not an example of a negative feedback loop?
Labor in childbirth