Explain why the alveoli normally do not fill with fluid.

Q: Contrast the epithelium of the bronchioles with that of the alveoli and explain how the structural…

A: Anatomy and physiology are the branches of biology, anatomy deals with the study of the structure of…

Q: Describe the structure of the alveoli?

A: Step 1 The respiratory system is a system consisting of the respiratory tract, respiratory organs,…

Q: The lungs do not normally collapse because of:

A: In the aerodynamics of the lung volume flows, there is a following rationale. Suppose there are two…

Q: Explain how the lungs maintain negative pressure and how this allows respiration.

A: The process of gas exchange occurs between an organism and its environment is known as respiration.…

Q: Explain how carbon dioxide is transported by the blood.

A: Animal physiology is the systematic study of the supporting features, roles, and processes of…

Q: define larynx

A: The respiratory system is involved in the process of respiration that makes an individual breathe.…

Q: Define external respiration and internal respiration.

A: Respiration is an important process that occurs in the organism. Breathing is a physical process…

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: What is the surface area of the alveoli?

A: The Respiratory System of the human body mainly transports air in and out of the lungs. It also…

Q: State the reason for why oxygen moves from the alveoli into the pulmonary capillary blood.

A: Alveoli are tiny balloon like structures that are present in the lungs and aids in the process of…

Q: Explain why puncturing the pleural membrane (pneumothorax) causes the lung to collapse

A: Pleural membrane helps in the protection and lubrication of lungs.As lungs expands and contract…

Q: Explain why chemoreceptors are important for the regulation ofventilation.

A: In physiology, a chemoreceptor detects changes in normal environment, including increase of CO2 in…

Q: Describe the pleura and its function

A: The lungs are enveloped by layer of serous membrane called 'pleura'. It has two layers:- 1:- The…

Q: In pneumonia, fluid accumulates in the alveoli of the lungs. How would this accumulation affect…

A: Vital capacity (VC) is the greatest measure of air an individual can remove from the lungs after a…

Q: Explain how the alveoli increase the efficiency of the respiratory system.

A: The human respiratory tract is made up of the nostril, larynx, nasal chamber, pharynx, trachea,…

Q: Distinguish between the upper and lower respiratorytracts.

A: The human respiratory system helps in breathing the oxygen rich air and expiring the carbon dioxide…

Q: Define alveolar duct

A: The lungs are the paired organs responsible for inhaling oxygen (needed for cellular respiration)…

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: Explain why the alveoli have a high surface area.

A: Alveoli(Site of gas exchange)  The bronchioles end in a cluster of minute air sacs called the…

Q: Describe the structures and functions of the conducting and respiratory zones of the lungs.

A: The physical process that involves a gaseous exchange between the body and the atmosphere is known…

Q: Explain what determines the rate and depth of breathing

A: The movement of air in or out of the lungs also called pulmonary ventilation or breathing. The two…

Q: Define alveolus

A: Human respiratory system consists of nose, windpipe, and lungs. Lungs are present in thoracic cavity…

Q: Explain the branching of the tracheobronchial tree

A: The tracheobronchial tree can be define the branched network found in the airways that starts at the…

Q: Find the total surface area of alveoli.

A: The process of breathing oxygen i.e inhalation and breathing out carbon dioxide i.e exhalation is…

Q: explain why air passages are hold open?

A: The respiration system in terrestrial higher phyla animals(Mammals, Aves) Primarily involves air…

Q: When a patient has chronic bronchitis, what happens to the alveolar capillary junction?

A: Step 1 Chronic bronchitis, a type of chronic obstructive pulmonary disease or COPD, which is a group…

Q: Sketch a picture of the right and left lungs in anterior view, showing all the fissures and lung…

A: Lungs are the respiratory organs that are involved in gaseous exchange. There is a pair of lungs in…

Q: list the strucutures in the respiratory pathway from where air enters the nares to the alveoli

A: Respiratory system in human body can be categorized to respiratory tract and lungs. Respiration is a…

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: trace the flow of air beginning with the air in the atmosphere and ending with the alveoli

A: Breathing occurs in two steps- 1. Inspiration- In this method we take air inside the body. 2.…

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 are the alveolar walls so thin?

A: The respiratory system is the network of tissues and organs that assist to breathe. The lungs are a…

Q: Explain the respiratory system

A: Answer :- The respiratory system is a natural framework comprising of explicit organs and…

Q: Name the blood vessels bringing blood into the pulmonarycirculation, and describe the blood in these…

A: Blood is a bodily fluid found in humans and other animals that transfers metabolic waste products…

Q: Describe the adaptation of the alveoli.

A: During the act of inhaling in and exhaling out, the alveoli are where the lungs and blood…