(a) Why is it important that the trachea is reinforced with cartilage rings? (b) Why is it advantageous that the rings are incomplete posteriorly?

Q: Describe the relationships among the trachea, bronchi,bronchioles, and alveoli.

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

Q: What type of epithelium does the alveoli have?

A: The term 'Epithelium' was given by dutch anatomist Ruysch in the year 1638 -1731. Epithelial tissues…

Q: The two openings of the pharynx, one leading to trachea and the other leading to oesophagus, lie…

A: The pharynx is the common structure involved in both the respiratory system and the digestive…

Q: what are all the tissue types can be found in respiratory sytem?

A: The respiratory system is the mechanism that transports and exchanges gases into and out of the…

Q: Explain the role of trachea ?

A: The respiratory system is the physiological system that helps in the exchange of gases between the…

Q: In the alveolates, what structure may control osmotic balance?

A: Osmotic balance ensures the optimal electrolyte concentration and maintains the non-electrolyte in…

Q: What is the function of the respiratory system?

A: Respiration occurs when the body takes in the oxygen and exchange it with carbon dioxide in the…

Q: Palpate two of your laryngeal cartilages and name them. Name the ones that are impossible to palpate…

A: BASIC INFORMATION CARTILAGE  Unlike bone it is soft and flexible in nature.  Proteins and sugars…

Q: Why do vital capacity, alveolar ventilation, and the diffusion ofgases across the respiratory…

A: Alveoli an important part of the respiratory system. Each lung contains about 300 million alveoli…

Q: Explain the function of Trachea ?

A: Respiration defines the movement of “oxygen” from the surroundings to the cells within tissues. The…

Q: What is the functional advantage of the alveolar walls being so thin?

A: Alveolar cells are present in the lungs and look like tiny air sacs. It is the workhouse of the…

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: 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: 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: Why is breathing through the nasal cavity more desirable than breathing through the mouth?

A: Respiration is a process in which the exchange of gases occurs. It is followed through the…

Q: What do you mean by simple alveolar glands?

A: A gland is an organ, which is composed of specialized group of cells that produce secretions and…

Q: How are the alveoli designed to maximize the exchange of gases?

A: The lungs are part of the respiratory system, which helps to provide supply of oxygen to the…

Q: Why the walls of trachea are supported by cartilaginous rings?

A: The respiratory system is the set of organs that allows an individual to breathe and exchange oxygen…

Q: What do you mean by alveoli?

A: Alveoli are an important part of the respiratory system whose function it is to exchange oxygen and…

Q: Why is the trachea supported by cartilage?

A: The trachea, also known as the windpipe, is a cartilaginous tube that connects the pharynx and…

Q: Which is weaker? tracheary elements with annular thickening or those with pitted walls?

A: Vascular plants are also called tracheophytes which have specialized vascular tissues for…

Q: What does the alveoli provide?

A: Respiration is a catabolic process through which respiratory substrates such as carbohydrates, fats,…

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: The nasopharynx (a) is lined with a stratified squamous epithelium, (b) contains the pharyngeal…

A: The correct option is (c), the nasopharynx contains the pharyngeal tonsil.

Q: What do you mean by compound alveolar glands?

A: An organized arrangement of secretory cells is collectively known as glands. They synthesize and…

Q: Why is it important that the trachea is reinforced with cartilage rings? Why is it advantageous that…

A: The trachea is also called as windpipe. It is a cartilaginous tube that connects the larynx to the…

Q: What is the function of the goblet cells in the wall of the trachea?

A: The goblet cells are simple columnar epithelial cells that are either merocrine or apocrine in…

Q: What is the role of alveoli?

A: The exchange of oxygen and carbon dioxide by body involves various organs for gaseous exchange,…

Q: How are the lungs designed in human beings to maximise the area for exchange of gases?

A: The spongy air-filled organs located on the chest either side are called the lungs. The air is…

Q: What are the organs of Respiration?

A: Respiratory system of human is located in the thoracic cavity. It consists of lungs and number of…

Q: What do you mean by alveolar glands?

A: Glands with sac like appearance are known as alveolar gland.

Q: Hyaline cartilage is found in all of the following structures except the a. trachea. b. larynx. c.…

A: Cartilage is the solid, pliable, connective tissue that resists compression in the body. There are…

Q: A smoker develops damage to several alveoli that thencan no longer function. How does this affect…

A: Alveoli are the tiny air-sac like structure present at the end of each bronchus in the lungs. These…

Q: What effect would pulmonary edema have on the alveolar walls being so thin?

A: Lungs are the most important organ in our body. Their major role is to do the gas exchange the…

Q: What are compound Alveolar glands?

A: Compound alveolar glands are also known as acinar gland/acinous gland/saccular gland. These glands…

Q: Where are the compound alveolar glands located?

A: Compound alveolar glands fall under the category of exocrine glands, where the final secretory…