BIOLOGY
4th Edition
ISBN: 9781266739606
Author: Hoefnagels
Publisher: MCG
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Question
Chapter 25, Problem 7WIO
Summary Introduction
To describe:
The process of scenarios explained in order to explain the homeostasis.
Concept introduction:
Hypothalamus gland is also known as the master gland. It is a ductless gland that is attached to the roof of the third ventricle near thalamus in the brain.
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Which of the following is an example of homeostasis? Choose all answers that are correct as there may be more than one correct answer.
Show answer choices
The body shivering when outside in the cold.
The release of insulin after a meal to encourage your body to absorb the sugar from your blood, thus lowering your blood sugar.
Producing sweat when outside on a hot day that can evaporate into the air.
Breathing faster while exercising to add more oxygen to the blood and remove excess carbon dioxide from the blood.
Stretch receptors in your blood vessels detect when blood pressure is high and send signals to increase the diameter of your blood vessels and reduce the output from the heart to lower your blood pressure.
The feedback loop shown below is an example of negative feedback that uses the narrowing
and widening of blood vessels in the skin to regulate body temperature.
DIRECTIONS: Label the diagram using the words or phrases from the word bank.
Then answer the questions that follow.
body temperature falls
body temperature rises
normal body temperature
vasoconstriction
vasodilation
Feedback:
Feedback:
Response:
ACY
MENT
CHA
RICH
OF EATIO
Response:
EX
Stimulus:
Increase in Body
Temperature
Stimulus:
Decrease in Body
Temperature
Why is putting on a coat not an example of homeostasis? What is an example of homeostasis if your body is cold?
Chapter 25 Solutions
BIOLOGY
Ch. 25.1 - What is the difference between anatomy an d...Ch. 25.1 - What is the relationship among cells, tissues,...Ch. 25.1 - Trace the bodys early development from one...Ch. 25.2 - If you were given a microscope slide with a slice...Ch. 25.2 - Suppose you determine that a tissue sample...Ch. 25.3 - Which organ systems contribute to each of the five...Ch. 25.3 - Prob. 2MCCh. 25.4 - Use figure 25.9 to explain which materials enter...Ch. 25.4 - Prob. 2MCCh. 25.4 - Prob. 3MC
Ch. 25.5 - How does the integumentary system help the body...Ch. 25.5 - Prob. 2MCCh. 25.6 - Prob. 1MCCh. 25.6 - Suggest a specific prediction related to folic...Ch. 25 - Which of the following represents the correct...Ch. 25 - According to the anatomical terms in figure 25.3,...Ch. 25 - Epithelial tissue consisting of multiple layers of...Ch. 25 - Which of the following features do all types of...Ch. 25 - Prob. 5MCQCh. 25 - Ovaries produce gametes and hormones; these organs...Ch. 25 - Prob. 7MCQCh. 25 - The inner layer of skin is __________, whereas the...Ch. 25 - How does the integumentary system influence...Ch. 25 - Distinguish between the following. a. Organs and...Ch. 25 - Use the Internet to research cosmetic surgery....Ch. 25 - Prob. 3WIOCh. 25 - Explain the similarities and differences among the...Ch. 25 - Explain how you use your organ systems (except...Ch. 25 - Describe how the circulatory system connects the...Ch. 25 - Prob. 7WIOCh. 25 - Prob. 8WIOCh. 25 - Describe at least one interaction between skin and...Ch. 25 - 1. What features distinguish the four types of...Ch. 25 - Prob. 2PITCh. 25 - Review the Survey the Landscape figure in the...
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- Billy is visiting the mountains in Colorado, and the temperature is below freezing. Billy's skin cells sense his dropping body temperature. His muscle cells start contracting to produce shivering to warm him back up. Billy's skin cells are acting as what part of this homeostatic system?arrow_forwardz uousənO In terms of homeostasis, what is the most likely response to an increase in environmental temperature? Blood vessel constriction "Goosebump" formation Producing Sweat shivering and muscle contractionarrow_forwardWhy is positive feedback helpful in blood clotting but unsuitable for the regulation of body temperature, as with a fever?arrow_forward
- Your blood pressure begins to increase because you are waiting to interview for a new job. Your nervous system and your heart will work together and reduce your heart rate and dilate your blood vessels in response. This is an example of what type of feedback? Define homeostasis. asap please.arrow_forwardDuring a bacterial infection, the pathogen and the immune system send signals to the hypothalamus suggesting that temperature is set too low. In which of the following ways would the body respond? Sweating Breathing heavily Shivering Laying out splayed on the bedarrow_forwardDescribe what happens in an endotherm and an ectotherm when outside temperature gets cold, and what happens when it gets hot.arrow_forward
- Describe the steps of a homeostatic negative feedback loop that your body would undertake in response to rising body temperatures. List the steps in order and label each of the stimulus, receptor, control center, response/effector (specific to the integument), and the ending stimulus what turns off the negative feedback looparrow_forwardAfter doing a balancing act, how can your body maintain homeostasis? What factors can cause the body's homeostasis to be disrupted?arrow_forwardDescribe the steps in the homeostatic feedback system activated to ensure normal body temperature is maintained when exposed to a hot external temperature (e.g., 42 degrees Celsius). Give typing answer with explanation and conclusionarrow_forward
- A fever is an increase in body temperature above normal range. A fever causes metabolic changes that push the person's body temperature even higher. If body temperature rises above 45oc death occur because cellular proteins change shape and metabolism stops. Is a fever of positive or negative feedback system? Explainarrow_forwardWhich of the following best describes an example of negative feedback? The body starts shivering to generate heat when you detect you are too warm. The feeling of hunger after you've just had a big meal. The increase in breathing rate when the body detects you are low on oxygen and high on CO2. A decreased heart rate in response aerobic exercise. The body sweating when the temperature gets too cold.arrow_forwardCompare and contrast the operation of negative and positive feedback mechanisms in maintaining homeostasis. Provide two examples of variables controlled by negative feedback mechanisms and one example of a process regulated by a positive feedback mechanism.arrow_forward
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