When individuals are hyperventilating, they are told to breathe into a paper bag or into their cupped hands. (a) Explain why this increases blood carbon dioxide levels. (b) What will this do to the breathing rate?

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: Describe the structure of the bronchial tree.

A: The trachea branches into the bronchial tree.

Q: Why does subglottal pressure increase pulmonary pressure?

A: Subglottal pressure: It is the air pressure in the lungs that is generated during a speech or…

Q: What increases alveolar ventilation?

A: The rate at which the gas enters or exits the lungs is called ventilation. There are three kinds of…

Q: What drives the movement of gases during breathing?

A: Human anatomy is the branch of science that deals with the study of the form and function of organs…

Q: Explain the anatomical and functional differences between the pulmonary and systemic blood supplies…

A: Double circulation refers to the circulation where the blood enters and exits the heart twice in…

Q: Explain control of the basic rhythm of breathing.

A: Answer: Introduction:  Respiration is a process of inhaling and exhaling air for exchange of oxygen…

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: Define what is external respiration ?

A: The respiratory system consists of the organs that help to breathe and helps to move oxygen…

Q: List the factors that control the inflation and deflation of the lungs?

A: Inflation and deflation of lungs explains the movement of lungs during the inspiration and…

Q: What is the mechanism of gas exchange between alveoli andpulmonary capillaries? In a healthy person…

A: Respiration is the movement of oxygen from the external climate to the cells inside tissues, and the…

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: Illustrate the relation of the Lungs to the Thoracic?

A: The thoracic cavity is a large hollow space, also called the chest cavity. It is enclosed by the…

Q: The lungs perform a variety of which functions?

A: Lungs are the primary respiratory organ for pulmonary respiration. Lungs are supplied with air…

Q: What is the alveolar oxygen tension?

A: KEY WORDS :- Partial pressure of oxygen - It is the level of oxygen present in blood of arteries. It…

Q: Explain the function of Alveoli ?

A: Alveoli are the respiratory unit of the lungs. They are present in a cluster at the terminal ends of…

Q: Which collection of neurons generates the basic rhythm for breathing?

A: Rhythm of breathing/ breathing rhythm is normal respiratory rate. Which means Respiratory rate in…

Q: Draw figures showing the reactions carbon dioxide undergoes entering the blood in the tissue…

A: Carbon dioxide is transported through the blood in three ways. Mainly carbon dioxide diffuses from…

Q: relate dalton's law and henry's law to external respiration and internal respiration.

A: Respiratory system is the process of gaseous exchange. Which includes external respiration and…

Q: How is contraction of the inspiratory muscles a crucial point?

A: The inspiratory muscle includes diaphragm, external intercostal muscles, scalene muscles and…

Q: Diagram the changes in intrapleural pressure and alveolar pressure.

A: In human physiology, intrapleural pressure is defined as the pressure taking place in the pleural…

Q: Trace the flow of air from the trachea to the pulmonary alveoli?

A: The respiratory system is composed of the upper and lower tract.

Q: Why is it dangerous for a swimmer to hyperventilate in order to hold the breath for a longer period…

A: Hyperventilation is a condition of fast breathing, which results in expelling out more carbon…

Q: Why are the precise effects of aging on the respiratory system difficult to determine?

A: The effect of age on the respiratory system are as follows: Reduced lung capacity Reduced inhaling…

Q: Which gas is inhaled and which is exhaled during breathing?

A: Respiration is the process in which complex organic molecules are broken into simple organic…

Q: You have finished exercising with a friend, who says that he is breathing rapidly because he must…

A: A chemical reaction occurs when one or more compounds combine to form a new compound. Solid calcium…

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: Describe the process of Oxygen and Carbon Dioxide Diffusion acrossthe Alveolar-Capillary Membrane?

A: The mechanism of energy intake by an exchange of atmospheric oxygen (O2) and carbon dioxide (CO2) is…

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: Explain why oxygen diffuses from alveolar air into theblood.

A: The alveoli are where the lungs and the blood exchange oxygen and carbon dioxide during the course…

Q: Identify where the structures that regulate breathing are located.

A: Breathing is an involuntary process that can be divided into two stages: the inhalation stage and…

Q: Does oxygen diffuse from the alveoli into the pulmonary capillary blood?

A: Diffusion is defined as the movement or transfer of a substance (either liquid or gas) from a high…

Q: Describe how gas exchange takes place between the alveoli and the capillaries?

A: Exchange of gases in lungs occurs through two steps that are- entry of oxygen from alveolar air to…

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: Differentiate between external respiration and internal respiration?

A: The respiratory system of the human body consists of structures and organs like the nose, trachea,…

Q: What is the difference between external respiration and internal respiration?

A: Respiration is the process of breathing where oxygen is inhaled and carbon dioxide is exhaled. It is…

Q: How is the carbon dioxide released from the lungs related to the total output of blood from the…

A: The purpose of breathing is to provide a continual supply of fresh oxygen and remove carbon dioxide…