How do respiratorypigments act?

Q: What accounts for the decrease in lung capacity with aging?

A: Lung capacity or the total lung capacity is defined as the volume of air in lungs upon a maximum…

Q: What is the role of diaphragm during inhalation and exhalation?

A: The diaphragm is a dome-shaped muscle present at the flow of the thoracic cavity. Exhalation and…

Q: How does carbon dioxide movement occur during systemic gas exchange, gas transport, and alveolar gas…

A: The transition in partial pressure from the alveoli (high concentration) to the capillaries (low…

Q: Does exercise affect the ventilation rate? How?

A: While exercising, ventilation may increase from 5-6l/min to more than 100l/min. Ventilation and…

Q: Which nerves convey impulses from the respiratory center to the diaphragm?

A: Phrenic nerves.

Q: What is the primary mechanism for control over breathing in order to protect blood oxygenation?

A: BREATHING is the process in which the air moves into the lungs from outside the atmosphere. a…

Q: Which are the two main anatomical components of the medullary respiratory center?

A: In the medulla oblongata and pons, in the brainstem, the respiratory core is located. Three large…

Q: What is respiratory rate and how is it controlled?

A: Respiration or ventilation is the process of gas exchange. The upper respiratory tract and the lower…

Q: What are the main structures of the respiratory system?

A: Since it has not been mentioned that the respiratory system of which organism need to be considered,…

Q: What is the distinction between the upper and lower respiratory tracts?

A: Upper Respiratory tract: is the uppermost sectiom of the Respiratory tract.  Involved in the…

Q: Describe the function of the pulmonary stretch receptors?

A: Human respiratory organs form a passage through which air transports- it is called as  respiratory…

Q: How do ventilation and respiration differ?

A: Here we have to describe about the difference between ventilation and respiration.

Q: What is Neural Generation of Rhythmic Breathing?

A: If breathing can be defined as short and hurried then it slows down by taking long and slow breaths.…

Q: Which nonrespiratory air movements help clear the air passages?

A: Npn respiratory air movements does not include gas exchange. Examples are : sneezing, coughing,…

Q: How is airway resistance influenced by airway radii?

A: For the transportation of the oxygen from the lungs to the tissues and carbon dioxide from the…

Q: What is the process of breathing?

A: Aerobic organisms require oxygen for the process of respiration. Carbon dioxide is a by-product of…

Q: What is airway resistance proportional to?

A: The human body is a well built machine in which all the organs coordinate together to make it work.…

Q: How Gas exchange in the lungs ?

A: Step 1 Human respiratory organs are a pair of lungs. Lungs are associated inside the thoracic…

Q: How are inhalation andexpiration carried out?

A: Breathing refers to the process that includes movement of air into the lungs and then moving out of…

Q: Which are the Two Important Transmural Pressures of the Respiratory System?

A: Two important transmural pressures of the respiratory system are: PL Pcw

Q: How do respiratory muscles cause inspiration?

A: Breathing is commonly referred to as Pulmonary ventilation. It is the process of flow of air into…

Q: How do the functions of central and peripheral chemoreceptors differ?

A: Central chemoreceptors are present in the brain stem neurons. Peripheral chemoreceptors are located…

Q: What is the primary function of the Respiratory system?

A: The respiratory system consists of the nasal cavity, the trachea and the lungs. It helps in…

Q: What is the difference between respiration and breathing?

A: Respiraton: The breakdown of the C-C bonds of complex compounds through oxidation within the cells…

Q: What are the relative contributions of the diaphragm and intercostal muscles to breathing?

A: breathing in a human occurs in 2 phase-Inspiration an expiration inspiration-it starts by…

Q: How is the pontine respiratory group related to the control of breathing?

A: Breathing is a motor behavior. It is generated and controlled by the central nervous system. The…

Q: What factors determine lung compliance? Which is most important?

A: The respiratory framework is the organisation of organs and tissues that help you relax. It…

Q: How does an uncoupler of respiration work?

A: Aerobic respiration follows specific biochemical pathways (glycolysis, citric acid cycle, electron…

Q: What are the functions of the VRG and DRG within the respiratory centers?

A: Breathing is the repetitive mechanism by which oxygen is inhaled into the lungs and waste materials…

Q: What is minute ventilation?

A: KEY WORDS :- Ventilation - It is the air flowing into the lungs and flows outside the lungs.

Q: What changes occur in inhaled gases as they travel throughthe respiratory system?

A: Gases are required to oxidize the food for producing energy for the body. Respiratory system…

Q: What structures are involved in breathing? What are two key gases involved in breathing? (

A: Respiration is really a vital life-sustaining mechanism that involves the exchange of gases in…

Q: Where are the chemoreceptors that detect the acidity of the blood and trigger the respiratory…

A: Chemoreceptors are sensors that detect changes in normal conditions such as the level of CO2 ,O2,…

Q: where is air pressure greatest?

A: Air pressure is the pressure exerted by the molecules of air on the earth's surface.

Q: Where does oxygen and carbon dioxide exchange take place within the lungs?

A: The lungs and respiratory system allow us to breathe. They bring oxygen into our bodies called…

Q: Why does the inspiratory muscles prevent the lungs from collapsing?

A: The primary inspiratory muscles are the diaphragm and external intercostals. In order to promote…

Q: What is Respiratory Exchange Ratio?

A: Respiratory Exchange Ratio is only reliable for estimating RQ while rest and mild to moderate…

Q: How are the lungs protected from excessive inflation?

A: The cardiovascular system is the transport system of the body. Blood circulates through the body…

Q: What is Respiratory Physiology?

A: The functioning of the human body is very complex. The human body is made of different organ…

Q: Why doesn’t the lungs collapse even after forceful expiration?

A: Expiration or exhalation refers to the outflow of air or breathes from an organism. The air moves…