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

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: What are the functions of the dorsal and ventral respiratory groups?

A: The cells are the primary unit of life. Based on the number of cells an organism may be unicellular…

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: Why is it important to distract a person when you are determining the normal rate of breathing?

A: The breathing process is the inhalation of oxygen and exhalation of carbon dioxide in humans. The…

Q: What is the concavity on the medial surface of left lung called?

A: The lungs are two spongy, air-filled organs on either side of the chest (thorax). The trachea…

Q: What measurement in addition to vital capacity is needed before you can calculate your total lung…

A: Breathing is the movement of air from outside the body through the bronchial tree and into the…

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: 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: Define what is external respiration ?

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

Q: Describe the Voluntary Control of Breathing?

A: Breathing can be defined as the process of moving air into and out of the lungs in order to…

Q: What distinguishes lung capacities, as a group, from lung volumes?

A: Air which is present in the lungs is measured as lung volumes and lung capacities.

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 does the Medulla Oblongata contribute to the breathing reflexes in humans?

A: Respiration or pulmonary ventilation is the process of gaseous exchange between the atmosphere and…

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: Relate the microscopic anatomy of the pulmonary alveoli to their role in gas exchange?

A: Introduction: The respiratory tract of a human is divided into two types: lower airways and upper…

Q: What are the functions of the Diaphragm?

A: Diaphragm is a dome shaped  skeletal muscle which is located just below the lungs and heart. It…

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: What is the importance or value of having the lungs divided into lobes?

A: The process of breathing, which includes the inhalation and exhalation of air from and to the…

Q: How does an uncoupler of respiration work?

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

Q: How is respiration rate controlled by peripheral and central chemoreceptors?

A: Respiration includes breathing and cellular respiration.

Q: Is a collapsed lung functional? Why or why not?

A: The lungs are covered by pleural layer. It is divided into two types of pleura.   Parietal pleura :…

Q: What happens to the respiratory process in a man going up a hill?

A: Aerobic respiration is a type of cellular respiration, in which the oxygen is consumed as a reactant…

Q: What is the function of the lungs?

A: Introduction  As we know Humans are multicellular organisms and their body is composed of billions…

Q: How can the depth of breathing be measured accurately?

A: Breathing, also known as ventilation refers to the process of moving the air in and out of the lungs…

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: The nerve to the sternocleidomastoid muscle was damaged during surgery. What type of breathing will…

A: Respiration is a biochemical process of oxidation of organic compounds in an orderly manner for the…

Q: How do respiratorypigments act?

A: The respiratory pigment is a "protein molecule" that boosts the oxygen-carrying capacity of the…

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 feature of alveoli that helps in efficient gas exchange?

A: Alveoli are tiny cup-like hollow structures present at the end of the bronchial tubes throughout the…

Q: What do the collective action of the accessory muscles of expiration causes?

A: There are various associated muscles which contribute mechanically for a proper exhalation and…

Q: What is the respiratory center of the medulla?

A: The nervous system of the body consists of the brain, nerves, and spinal cord. The coordination…

Q: What is the name of the volume of air moved in or out of the lungs during a quiet respiratory cycle?

A: The mechanism of exchange of atmospheric oxygen with carbon dioxide produced in the body is called…

Q: What three structures compose the upper respiratory tract? What three structures compose the…

A: Humans need oxygen for respiration (production of energy). They get oxygen from the atmosphere by…