Air moves into the lungs because contraction of the diaphragm decreases the volume of the pleural cavity the gas pressure in the lungs is less than outside pressure the volume of the lungs decreases with inspiration the thorax is muscular

Q: Chemical and physical properties of gases are important factors in the evolution and physiology of…

A: A complicated system that consists of the heart and lungs, blood arteries, and blood is the…

Q: The diversification of RNA building blocks through chemical modification...: O...decreases the…

A: RNA is the ribonucleic acid, which is a type of nucleic acid, the other one is DNA or…

Q: hen someone takes a deep breathe in, they can completely breathe in new air and dispose of all the…

A: Taking a deep breath involves inhaling a larger volume of air than during a regular or shallow…

Q: The flow of air into and out of the lungs depends on changing the size of the When it increases in…

A: Lungs are the organs that play a vital role in our respiratory system. It is the organ that occurs…

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: Starting from outside the body, what is the correct order of organs that air travels in the…

A: The nose and mouth are the beginning of the respiratory system, which continues through the airways…

Q: What is the purpose of the nasal passage? The nasal passage warms or cools air to body temperature…

A: Ans- 1) The nasal passage warms or cools air to body temperature and filters air. This is the…

Q: You watch a live individual respiring (that is, obtaining oxygen from its environment). What…

A: When we hear the word respire, we think of breathing. When we breathe, with each inhale we are…

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: If one inspires through their nose, which of the following answers has the correct order of…

A: The respiratory system is formed of two parts structurally-  Upper respiratory system- It consists…

Q: Fish and some reptiles use this form of "pumping" to ventilate their respiratory surfaces: O Buckle…

A: Introduction  Respiration is the essential life process performed by all the living organisms.…

Q: What is the purpose of the respiratory system? Which organ systems work alongside the respiratory…

A: The respiratory system is a network of organs and tissues that help us breathe. Without it, we would…

Q: During the process of inhaling the diaphragm contracts. As a result, air enters the human lungs…

A: Respiration is the mechanism by which all living organisms generate the energy they require to…

Q: The larynx consisting of vocal folds ('chords') and other parts is the source of vocal sounds. Which…

A: Here, the correct answer is option E) Partially closed folds produce 'back pressure' below the…

Q: What is the main method of inspiration?       Diaphragm contraction   External interossei…

A: The respiration process is divided into two phases that are- inspiration and expiration. During…

Q: What is the importance of surfactant in the lungs?   it reduces the surface tension of water in the…

A: Introduction Pulmonary surfactant (PS) is a protein and lipid mixture produced by alveolar type-II…

Q: Which of the following actions describes movement of diaphragm during exhalation? Group of answer…

A: The respiratory system is responsible for gaseous exchange between the atmospheric air and the body.…

Q: Air moves through a series of cavities, tubes, and openings Also known as inhalation Also known as…

A: The relationship between gas pressure and volume aids in the understanding of breathing mechanics.…

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: The pulmonary trunk carries: low-oxygen blood from the lungs to the heart oxygenated blood from the…

A: The left and right lungs contain many air sacs or alveoli that are associated with many blood…

Q: Parasympathethic stimulation of the lungs causes O bronchioles to dilate O bronchioles to constrict…

A: The part of the nervous system that controls bodily functions which are not controlled voluntarily…

Q: during the inspiration phase of pulmonary ventilation which of the following occurs first? increase…

A: Coordinated functioning of the body organs regulates and maintains an optimum performance. The organ…

Q: For a human to inhale, the lung volume ________ which ________ pressure inside the lungs.…

A: Breathing is natural and essential for survival for most living organisms. In terrestrial animals,…

Q: Alveolar pressure has the following characteristics (select all that apply): O It is always a…

A: lungs is the organ which helps us to breath . it takes in oxygen and gives out carbon dioxide rich…

Q: Patients with cystic fibrosis (CF) have a defect in which of the following parts of the respiratory…

A: Question - Patients with cystic fibrosis (CF) have a defect in which of the following parts of the…

Q: The PO2 in the alveolar space is [ Choose than the PO2 in the capillaries entering the alveoli.…

A: The given image represent the blood vascular system in human body that involves transportation of…

Q: Which of the following influence the diffusion of oxygen across the alveolar membrane? the…

A: A pair of lungs in humans are formed in such a manner that they are separated by thin membranes 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: Choose from the following to fill: Medulla oblongata, CO2 and H +, diaphragm, intercostal muscles,…

A: The act of breathing, also known as ventilation, involves moving air into and out of the lungs in…

Q: Small spaces such as bronchioles and alveoli have a tendency to collapse due to surface tension,…

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

Q: which of the following processes involves anatomy from both the respiratory and cardiovascular…

A: The circulatory system and the respiratory system are two different organ systems in the human body…

Q: Consider the following situations: A person who is drinking water from a water bottle chokes and…

A: 1, The common thing in above  mentioned examples are there is coordinated activity of respiratory…