Which one of the following statements is incorrect (1) The residual air in lungs slightly decreases the efficiency of respiration in mammals (2) The presence of non-respiratory air sacs, increases the efficiency of respiration in birds (3) In insects, circulating body fluids serve to distribute oxygen to tissues 14 The principle of countercurrent flow facilitates *efficient respiration in gills of fishes

Q: An advantage of gas exchange in water, compared with gas exchange in air is that water usually…

A: Gas change is the process by means of which oxygen and carbon dioxide flow among the bloodstream and…

Q: The process that ventilates the lungs includes the alternate inhalation and exhalation of air. This…

A: Breathing (or ventilation) is the process of inhaling oxygen and exhaling carbon dioxide used to…

Q: Illustrate the flow of oxygen in our breathing system through a diagram. (You may use arrows to…

A: Breathing is a process mainly consist of two activities, inhalation and exhalation. It is a process…

Q: Fill in the blanks Upon inhalation, molecules of (1.) _______________ diffuse into the lung’s…

A: The respiratory system consists of the nasal canal, trachea, bronchia, and lungs. The lungs contain…

Q: Why does altitude have almost no effect on an animal’s ability to rid itself of CO2 through gas…

A: Animals can exchange gases (oxygen and carbon dioxide) with the environment through the process of…

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A: Diabetes mellitus is a metabolic endocrine disorder that leads to an increase in the levels of…

Q: Explain mechanistically how hyperventilation alters the oxygencascade of an animal.

A: In human beings, the air is taken into the body through the nostrils of the nose. The respiratory…

Q: Which of the following will cause the largest increase in systemic arterial oxygen saturation in the…

A: The oxyhemoglobin dissociation curve is also known as the oxygen–hemoglobin dissociation curve. This…

Q: Which of the following is a true statement? A. The concentration of oxygen in water is greater than…

A: Answer D- Mammalian lungs require the diaphragm because the lungs are relatively stiff and filled…

Q: Describe some structural and functional features that are commonto all gas-exchange surfaces in…

A: The respiratory framework is a natural framework comprising of explicit organs and designs utilized…

Q: A person who was previously resting begins to exercise strenuously. Explain what pulmonary…

A: A person who was previously resting begins to exercise strenuously which means his body is at rest…

Q: How many steps (inhalations/exhalations) are needed to complete one ventilatory cycle in birds? 3…

A: Introduction Inspiration (or inhalation) and expiration (or exhalation) are the two phases of…

Q: If the residual air in mammalian lungs was reduced while at the same time the tidal volume were…

A: Tidal volume is the sum of air that flows into and out of the lungs during each respiratory cycle.

Q: Human Lung Describe how the histological structure of the lung relates to its function as a site…

A: Human lung - It is a pair of spongy organ which is air filled and is located on either side of…

Q: When researchers first discovered that airflow through a bird’s paleopulmonal parabronchi is…

A: If we have a tendency to assume the blood flow is in some sense one-way relative to the long axes of…

Q: Compare the values below. Which is greater, or are the two values equal? A. Pressure in the…

A: Air sacs can be defined as the internal compartments which store the air and utilise this air for…

Q: There are advantages and disadvantages to using water or air as the respiratory medium from which an…

A: The respiratory medium for terrestrial animals is air and for most of the aquatic animals is water.…

Q: Describe one functional difference and one structural difference between veins and arteries

A: Arteries convey oxygenated blood from the heart, while veins convey oxygen-drained blood back to the…

Q: The amount of time that scuba divers can spend underwater is lim-ited by several factors, including…

A: Scuba diving is underwater diving. A diver uses scuba which is an underwater breathing apparatus. A…

Q: Which of the following processes does atmosphericpressure play a role in?a. pulmonary ventilationb.…

A: Lungs are an important part of the respiratory system. The process of respiration or breathing…

Q: Which of the folloqing statements about BPG and its effect on oxygen transport is NOT true?

A: BPG and its effect on oxygen transfer 2,3 - Bisphosphoricglyceric acid is present in red blood…

Q: In control of ventilation, which of the following is the most important?   PCO2 in the blood PO2 in…

A: The physiological systems involved in controlling breathing, or the passage of air into and out of…

Q: Trace the route of inspired air in humans from the nostrils to the smallest chamber of the lungs.…

A: The process of drawing air into the lungs is referred to as inspiration or inhalation. It is an…

Q: When we change altitude, during the next few days, the body responds by adjusting Hb cooperativity.…

A: 2,3-BPG (bisphosphoglycerate) is present in the RBCs of human beings and in other various species.…

Q: Which of the following is NOT a feature of a gas-exchange organ in animals? A. low surface area for…

A: Gas exchange system A respiratory system or gas exchange system is responsible for delivering oxygen…

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A: Buffers are aqueous systems that tend to resist the changes in pH when small amounts of acid or…

Q: Choose the best statistical test for this study.   a. Correlation   b. Simple Linear Regression

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Q: An increase in alveolar ventilation without change in metabolic rate (hyperventilation) results in…

A: Hyperventilation is a condition in which the breathing rate increases abruptly in order to intake…

Q: . All of the followings are correct, except----------------------. A. Part of medulla oblongata…

A: 48A] Insulin is synthesized in the pancreas. it is processed  in the golgi complex and secreted in…

Q: Compare the two types of gas exchange systems in invertebrates.        Based on your observation of…

A: Various respiratory mechanism occurs in different forms of the body. Some utilize gills, some lungs…

Q: Sometimes Don prefers to dive simply by holding his breath. Based on the following oxygen saturation…

A: An average person with no training on diving can hold his breath for about half a minute under…

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A: Every organ requires oxygen for functioning. Without oxygen, ATP synthesis will not occur.…

Q: Why are these respiratory structures associated with a large blood supply?

A: Perch,frog and pig respiratory system works with the circulatory system to provide oxygen &…

Q: How is respiration rate in humans modulated? How are diving animals able to remain submerged for…

A: Introduction :- We can breathe because of our lungs and respiratory system. They inhale oxygen and…

Q: Outline the differences among the three most sophisticated lungsfound in modern animals: the…

A: The insect tracheal system is not dependent on the circulatory system in order to get the oxygen…

Q: Why is the rate if breathing much faster in aquatic organisms than those of terrestrial organisms?

A: Breathing is a physical process through which we intake fresh air and remove foul air. The gas which…

Q: Discuss how the transition from water to land of vertebrates gradually changed the respiratory…

A: The respiratory system is the organ system that helps exchange gases between tissues and organs.…

Q: Using a flowchart (word, with > symbols), illustrate the path of air during exhalation.  (b)…

A: During ventilation, exhalation is the process of removing air from the lungs and releasing it into…

Q: Which of the following statements best describes the effect of increased carbon dioxide pressure in…

A: The amount of oxygen carried in the blood is determined by oxygen-carrying capacity of hemoglobin.…

Q: Name one respiratory structure unique and special to each of the following vertebrate animal.…

A: Cartilaginous fish Notwithstanding breath, in teleosts fish , the respiratory framework has…

Q: Create a (hand drawn) flow diagram showing how gases enter, travel, and exit the body of the…

A:

Q: The lungs perform other :physiologic functions Play secondary role in heat exchange and fluid…

A: The lungs are a crucial organ of the body. They are quite spongy and are filled with air with the…

Q: Why does respiration become more challenging for organisms as they become larger (in other words…

A: To preserve cellular respiration and remain alive, animals must take in oxygen and remove carbon…

Q: A soccer coach is seeking your advice about using a tank of oxygen on the sidelines so players might…

A: When you breathe in air, oxygen is carried to your muscles by the bloodstream. A portion of the…

Q: Create a flowchart explaining how a rise in blood PCO2 stimulates breathing. Include both the…

A: Breathing: The process into the lungs to move air out and into the lungs. With the internal…

Q: bell jar model can be used to demonstrate the basic mechanism of breathing humans. The diagram below…

A: The human respiratory system is defined as the system that is responsible for taking up oxygen and…

Q: What would be an example of an everyday respiratory event that both inhalation and exhalation are…

A: Respiration is an event of taking fresh air into the body and exhaling used air out of the body…