QUESTION 2 Which of the following triggers the secretion of bicarbonate into the duodenum? O The arrival of a bolus of food in the stomach The arrival of chyme in the duodenum The production of gastric juice in the stomach The release of saliva in the oral cavity

Q: Which statement accurately describes bile? O it causes the breakdown of dietary triglycerides into…

A: Bile juice is produced by pancreas and stored in gall bladder. It contains bilrubin, bile salts etc.…

Q: Which of the following organs is INCORRECTLY matched to the type of epithelium it contains?…

A: Epithelial tissues are one of the four major tissue types in the human body (the rest 3 are muscle…

Q: O thyroid cartilage O epigiottis O tracheal cartilage o cricoid cartilage

A: The thyroid gland is an endocrine structure found in the neck and helps in regulating the metabolic…

Q: 30. The alveolar epiihe (a) nonciliated columnar (b) noncilated squamous lot ciliated columnar [d)…

A: Alveoli are the sac-like structures present in the lungs. They are involved in the diffusion of…

Q: Which of the following correctly describes the lungs? O structure that expands during expiration -…

A: Organs involved in breathing, such as the lungs, airways, and blood vessels, make up the respiratory…

Q: Which of the following is the inferior boundary of the nasopharynx? hyoid bone internal nares uvula…

A: The pharynx is a muscular tube that links the mouth, nose, and larynx to the larynx and oesophagus.…

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: Watch this animation (http://openstaxcollege.org/l/ swallowing) to see how swallowing is a complex…

A: Swallowing, also called deglutition is the process of movement of ingested food materials from the…

Q: Question 31 Which of the following is responsible for t OA. Surface tension OB. Surfactant OC. Lack…

A: The respiratory system- It is responsible for releasing carbon dioxide from the body and uptake of…

Q: All are true of the alveoli except contain a lipoprotein to help in inflation they have thin walls…

A: Introduction  Lungs are the key organ which plays major role in respiration and gaseous exchange.…

Q: QUESTION 38 Which of the following statements is FALSE? O O C The partial pressure of O2 in the…

A: A biological system called the respiratory system includes particular organs and tissues that are…

Q: Clearly there is a gradient. So Oxygen will move from the dioxide will move from the Remember body…

A: The transportation of oxygen is critical to aerobic respiration. Convection and diffusion both…

Q: The production of gastric juice: O is happening all the time in our stomachs O operates as a…

A: There are three substances implicated in the secretion of gastric juice:- Acetylcholine, Gastrin,…

Q: A depressed person attempts to commit suicide by taking a whole bottle of sleeping pills. The pills…

A: Muscles are soft tissues present in most animals. They contain protein filaments called actin and…

Q: how is food stopped from going into nasal cavity

A: The “nasal cavity” is located above and behind the nose. It is filled with air. It is divided into…

Q: Question 18 Which of the following statements regarding the gastrointestinal system is FALSE? there…

A: Option 1 is False i.e. there are no enzymes secreted in the stomach to digest protein. Because, in…

Q: Suppose that the thoracic wall is punctured at the end of a normalexpiration, producing a…

A: Pneumothorax is the condition in which air leaks in the space between the lung and the chest wall,…

Q: Hyperventilation will CO2, causing H+, andblood pH.

A: The condition that cause increased rate of breathing is called hyperventilation. Hyperventilation…

Q: To prevent aspiration of food, the extrinsic muscles lift the larynx effectively closing the )…

A: Pharynx is divided for  into three parts; the nasopharynx, oropharynx and laryngopharynx (i) The…

Q: QUESTION 39 What is the dead or blind end located within the digestive system called? O Duodenum…

A: Please repost remaining questions separately.

Q: Which of the following statements is FALSE? C C The partial pressure of O₂ in the alveoli is higher…

A: External respiration is the exchange of O2 and CO2 and it takes place because of differences in the…

Q: sphenoid sinus; lighten the bones of the skull and serve as resonating chambers for speech uvula;…

A: In the given cross sectional model of human face

Q: whilst describing the 3 stages of respiration  - why do they occur - where do they occur - how do…

A: Respiration  The process of generation of energy from the food we eat

Q: Halfway through inhalation, Alveolar pressure is equal to atmospheric pressure Alveolar pressure is…

A: During the process of inhalation the alveolar volume increases which leads to a fall in alveolar…

Q: Which cell is mismatched with its structure/function? Type I alveolar cell - a type of epithelial…

A: Alveoli are tiny air sacs that are attached to the bronchioles of the lungs. They increase the…

Q: Question 26 Through what two systems is carbon dioxide eliminated from the body? respiratory and…

A: Carbon dioxide is a waste product that is harmful to the body. It is produced by the cells of the…

Q: response

A: The described sequence of events outlines the physiological process of vomiting, also known as…

Q: You notice a significant increase in your rate of breathing following a hard set of bench press.…

A: Pulmonary ventilation Pulmonary means relating to the lungs or lung tissue. Pulmonary ventilation is…

Q: QUESTION 31 The sites of gas exchange within the lungs are pleural spaces alveoli…

A:

Q: Nitrous oxide enters the blood by diffusion from the alveoli whilst it is being inhaled, but does…

A: Nitrous oxide is a molecule that enters the body through inhalation. It is a fat soluble gas that…

Q: O The pancreatic islets secrete an alkaline that neutralizes stomach acid O The tail of the pancreas…

A: The pancreas is found in the abdomen and functions in conversion of the food we eat into the energy…

Q: Question 60 You embark on a hiking trip on Mt. Kilimanjaro (altitude = 19,000 ft; Atmospheric air…

A: Introduction The factor that affects the exchange of pulmonary gases is the relation of the volume…

Q: Air is pulled down into the lungs through each of the following in what sequence? 1. Respiratory…

A: A group of organs and tissues that are helping the body in breathing is called the human respiratory…

Q: What is the net movement of carbon dioxide gas, given the following: Partial pressure of carbon…

A: Partial pressure  In a mixture of different gases every gas exert some pressure on the wall of the…

Q: Upper respiratory tract mucosa is mostly ciliated simple columnar epithelium O Pseudostratified…

A: Introduction: The structures of the upper respiratory system include the nose, nasal cavity,…

Q: 54. After an inferior alveolar nerve block injection all of the following areas will be anesthetized…

A: A popular dental procedure used to numb the lower jaw and teeth for dental operations is an inferior…

Q: A baby born prematurely is taken to the intensive care unit and dagnosed with respiratory distress…

A: Surfactant: a. The surfactant that lines the epithelium of alveoli in the lungs is called a…

Q: Question 26 Through what two systems is carbon dioxide eliminated from the body? O respiratory and…

A: Carbon dioxide CO2 is a waste product of cellular metabolism in animals including humans. If left in…

Q: Receptors that detect pH levels in the blood and cerebrospinal fluld are which of the following? O…

A: Our body is specialised to maintain homeostasis. The maintenance requires various mechanisms such as…

Q: ssume that you have been chewing swallowed it. Explain how and w

A: Digestion is the process of breakdown of larger molecules into simpler substances, so that the food…

Q: Is it correct to say that iron atoms in the blood carry oxygen? Shortly say why or why not.

A: Oxygen is essential for life. Red blood cells are the key elements that carry oxygen and removing…