1. The diagram shows the blood vessels associated with alveoli. B branch of the pulmonary artery. carbon dioxide less less more more X Which row shows the differences in composition between the blood at X and the blood concentration of substance in the blood at X compared to the blood at Y glucose more the same bronchiole more the same branch of the pulmonary vein capillaries around the alveoli oxygen less more less less

Q: Which one is true about gas exchange? Determining partial pressures enables us to hinder and stop…

A: Which one is true about gas exchange?

Q: 16. The carbon dioxide molecules present in the lungs was produced in: A. The plasma space B. The…

A: During aerobic respiratory, oxygen is utilised by the organism to oxidize respiratory substrates…

Q: i. Alveolar sacs are composed of epithelium. 1. What is the function of this tissue? ii. The air…

A: The lower respiratory tract is composed of respiratory airways and respiratory organs that conduct…

Q: 15

A: Respiration is the process through which an organism's cells obtain energy by mixing oxygen and…

Q: What will happen to the pressure and movement of air once it heats up? Group of answer choices The…

A: We know that once air is heated, its molecules gain more kinetic energy and move apart more, making…

Q: Respiration includes. OA. breathing OB. inhalation OC. gas exchange OD. cellular respiration OE. all…

A: Introduction  Metabolism refers to the chemical reactions that occur within the cells of the body to…

Q: About 70% of carbon dioxide is transported as:    a. dissolved in plasma   b.…

A: The respiratory system has great importance in our day to day life. It is help in survival. It is…

Q: 1. Which of the following decreases as the result of pneumothorax? alveolar pressure…

A: The technical name for a collapsed lung is pneumothorax. When air gets into the space around your…

Q: 1. Respiration/Breathing = gas exchange

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: is the process of gas exchange. The act of respiration can be divided into respiration. respiration…

A: Respiration is a metabolic process by which living cells of an organism receives oxygen and deposits…

Q: If a respiratory pigment such as hemoglobin or hemocyanin is not present in blood the blood would…

A: Blood transports oxygen from the lungs to the heart and then from the heart to various regions of…

Q: Gas exchange is more difficult for aquatic animals with gills than for terrestrial animals with…

A: The question is asking us to identify the reasons why gas exchange is more difficult for aquatic…

Q: when carbon dioxide travelling in the plasma reaches the alveolus and is exhaled, then what happens…

A: Introductio:- the respiratory system are to provide adequate oxygen supply (O2) to meet the needs of…

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: Which of the following would NOT occur as blood passes through the lung capillaries? O PCO2 of the…

A: Cl- would move from plasma into the red blood cell.

Q: 15. Match the following structures with the corresponding numbers from the diagram below. Alveolar…

A: The human body relies on main internal bodily organs to execute certain critical activities in order…

Q: What is the purpose of the cartilage rings in the trachea and bronchi? they allow constant growth of…

A: Lungs are the respiratory organs, which are placed in the pleural sacs of thoracic region. The…

Q: In a negative feedback control of respiration, a high level of carbon dioxide in the blood…

A: Homeostasis refers to a state of a good balance of physical and psychological factors that helps to…

Q: What helps to maintain a concentration gradient between blood and the air in the alveolus?

A: In alveoli the lungs and the blood exchange oxygen and carbon dioxide during the process of…

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: components of the bronchial tree. Region of Bronchial tree Primary Bronchi Secondary Bronchi…

A: 1) Primary Bronchi Epithelial Tissue- Pseudostratified columnar ciliated epithelium. Cartilage- Yes…

Q: How does oxygen move from the lungs into the bloodstream? O It is pumped from the alveoli into the…

A: Lungs can be defined as the organ of the respiratory system which helps in the exchange of gases…

Q: 1. Know the location, structure, and function of the organs that form the respiratory passageways…

A: ( Comment: As per the guidelines,we are allowed to answer one question at a time, so I am answering…

Q: 1. Name two reasons why someone may have a lower lung capacity than the average lung capacity.

A: Introduction - It means your lungs are only working at a third of their normal capacity. Pulmonary…

Q: n the bronchioles:   a. resistance to air flow increases due to their small diameter   b.…

A: The definition of airway resistance is the trans-pulmonary pressure change which are needed  in…

Q: Which of these changes cause a rightward shift in the oxygen-haemoglobin dissociation curve? W. An…

A: The relationship between partial pressure of oxygen an amount of oxyhaemoglobin formed or…

Q: Which of the following statements about the respiratory system is FALSE?   Question 5 options:…

A: NOTE: The options are numbered as 1, 2, 3 and 4. Respiratory system is one of the major biological…

Q: Imagine you are taking a deep exhale, follow the pathway of the air starting in your alveoli through…

A: Lungs are the respiratory surface and play a crucial role in respiration.

Q: Type II alveolar cells: Engulf foreign particles in the alveoli Decreases the diffusion distance of…

A: The lungs are two spongy organs that are packed with air on either side of the chest (thorax). The…

Q: 1. Trace the pathway of a breath of air from its point of entry to its diffusion in the lungs. Refer…

A: Introduction Air enters into the nasal cavity, then, to the epiglottis, where it is a common entry…

Q: Nitrogen gas can't be traded amongst alveoli and the blood located in the lung capillaries? Is this…

A: The exchange of gases in the lungs is a vital process for maintaining optimal oxygen levels in the…

Q: Your alveoli are adapted to speed up the diffusion of gases. Of the following options, choose the…

A: Respiration is considered the key process that takes place in all living cells to generate energy…

Q: e body. 02 in systemic capillaries enters body cells by simple diffusion, then enters as a metabolic…

A: This passage is talking about the gaseous exchange from the alveoli that is taking in of oxygen and…

Q: Air rushes into the lungs of humans during inhalation because

A: The main function of the lungs is the process of gas exchange called respiration or breathing.

Q: In this figure I have blacked out the gases exchanged in the lung (top) and at the tissues (bottom).…

A: Aerobic  Respiration:  C6H12O6 + 6O2 → 6CO2 + 6H2O.

Q: Carbon monoxide binds to hemoglobin and prevents it from binding properly with oxygen. Carbon…

A: Hemoglobin is a metalloprotein (iron+protein) found in RBCs, which provides red color to the RBCs.…

Q: A type II alveolar cell in the lungs is important because it a. is the site of gas exchange w/…

A: Introduction: The cells that line the alveoli of the lungs are known as alveolar cells. There are…

Q: John halves his tidal volume and doubles his respiratory rate. Which of the following would this…

A: Ventilation can be outlined as the exchange of gases that occur between the respiratory system and…

Q: In forming the lung-blood barrier, all of the following are involved EXCEPT: the basal lamina O Type…

A: The lung blood barrier is present at the gas exchanging region of the lungs. Its main function is to…