A. Air Flow Trace the air flow through the respiratory system starting with the external nares. Number the structures 1 through 17. alveolar duct nasopharynx alveolar sac oropharynx alveolus primary (main) bronchus bronchiole respiratory bronchiole secondary (lobar) bronchus external nares terminal bronchiole internal nares tertiary (segmental) bronchus laryngopharynx trachea larynx nasal cavity

Q: Discuss the nervous and humoral control of the bronchiolus.

A: Introduction: Breathing also referred to as pulmonary ventilation that occurs through the nose or…

Q: List the structures of the Upper Respiratory tract. List the structures of the Lower Respiratory…

A: Every human cell needs to receive oxygen on a constant basis. Without it, the cells can only hold…

Q: Name the lobes of the lungs and identify their locations.

A: Introduction: Lung is the main respiratory organ of the human body. Every cell of the body depends…

Q: organs of upper and lower respiratory system

A: The respiratory system is an intricate arrangement of spaces and passageways that conduct air into…

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 how changes in the alveolar pressure and chest volume affect the process of exhalation…

A: Exhalation (or expiration) is the movement of air from the lungs out of the airways, to the external…

Q: Draw a diagram of a dissected respiratory tract and label fully the organs and structures that…

A: The respiratory tract comprises organs that participate in breathing. These organs include the nose,…

Q: Fill in the table with the needed information. TABLE 29 Description and Functions of the Respiratory…

A: Respiratory system is a type of body system that helps in removal of toxic air from body and allow…

Q: Think about gas exchange at the respiratory surface. The partial pressure of oxygen (PO2) in the…

A: During gas exchange, oxygen moves from the lungs to the blood stream and supplies the whole body…

Q: Match the air volumes in column A with the definitions in column B.   Column B1. volume in addition…

A: Expiratory Reserve Volume :- This is the maximum amount of air which is exhaled after a forceful…

Q: choose 3 different lung volumes or lung capacities to explain in your own words.  research a chronic…

A: Tidal Volume (TV): The amount of air that enters or leaves the lungs during a normal breath. In…

Q: State the alveolar partial pressures for oxygen and carbon dioxide in a healthy person at rest.

A: Introduction: The pressure that is exerted by a single gas component inside a mixture is referred to…

Q: The main driver of normal quiet ventilation is: Select one: O a. the H* concentration in the…

A: Normal ventilation can be defined as an automatic, effortless inspiration and expiration process…

Q: Draw out the entire respiratory system, labeling 10 organs/structures. For each labeled…

A: In the diagram, 10 structures and organs of the respiratory system has been labelled, in a way,…

Q: Since the human thymus shrinks as one ages, one can surmise that the thymus: O plays its role early…

A: Thymus- This is the gland that is responsible for maturing the T cells and thus plays an important…

Q: Organs that filter lymph and may activate the immune system are: O lymphatic trunks capillary beds O…

A: Introduction:- The lymphatic system is a network of tissues, arteries, and organs that work together…

Q: DESCRIPTIONS : F Main air way known as windpipe. Cilia filters the air here. Branches of bronchi.…

A: Main air way known as windpipe -  Trachea D   Cilia filters the air here -  nostrils  B…

Q: [Choose] [Choose lead to the alveolar ducts, which terminate in the alveoli thin, sensitive…

A: Lungs are paired structures that are divided into lobes. Within the lungs, the bronchi branch into…

Q: Discuss the major parts and functions of the respiratory system.

A: It is a biological system that consists of certain organs and uses them in exchange for gas. All the…

Q: Explain how cigarette smoking impacts the lungs at the physiologic level.

A: Smoking is a condition in which a person gets addicted to tobacco smoke due to the addictive…

Q: are characterized by a normal air flow but a low vital capacity as well as low inspiratory and…

A: ______ are characterized by a normal air flow but a low vital capacity as well as low inspiratory…

Q: Emphysema is characterized by destructive changes of alveolar walls resulting in large air-filled…

A: Lungs are the organs involved majorly in the gaseous exchange between the environment and the body.…

Q: Tabulate the differences of the layers of the ff: Nasal cavity, nasopharynx, larynx, trachea,…

A: The respiratory framework is the organization of organs and tissues that assist you with breathing.…

Q: Describe the normal anatomy (structure) and physiology (function) of the respiratory system and the…

A: Respiratory system is one of the essential systems of the body necessary for survival. It…

Q: gas exchange only occurs where there are alveoli The sympathetic nervous system causes…

A: 1st statement is correct because the alveoli present in the lungs are responsible for the exchange…

Q: Explain working of lungs. Also draw its diagram and label it.

A: The human respiratory system comprises of: Nostrils: holes of the nose that open into nasal…

Q: Describe the differences between internal respiration and external respiration. explain how the…

A: Internal respiration and external respiration are two distinct processes that occur in the…

Q: At the END of expiration alveolar pressure will be Lower that alveolar pressure at the end of…

A: The trachea(windpipe) is a respiratory organ, starts just after the larynx and runs down behind the…

Q: why must the lungs be able to return being normal non deflated shape. list the factors that enable…

A: Inner wall of the lungs is lined by numerous alveoli. It lacks any cartilage or smooth muscles. The…

Q: Fill in the boxes with the appropriate words to complete the process of gas exchange within the…

A: a. capillary b. Oxygen c. Carbon di oxide d. alveoli e. Red Blood cells

Q: Lower respiratory tract consists of trachea, lungs, bronchi and diaphragm. Describe each of the…

A: Respiratory system- It contains a group of organs that serves the purpose of inhalation the air from…