If a molecule of CO2 released into the blood in your left toeis exhaled from your nose, it must pass through all of thefollowing except(A) the pulmonary vein.(B) the trachea.(C) the right atrium.(D) the right ventricle.

Q: As you palpate the trachea, what do you observe about the shape of the cartilage rings? Why are they…

A: In trachea rings of cartilage are present ,to avoid it from collapsing when limited air is present…

Q: You and your physiology instructor are trapped in an overtuned ship. To escape, you must swim under…

A: In the alveoli, the partial pressure of oxygen is high, whereas in the blood of the pulmonary…

Q: a 47 year old man has a haemoglobi concentration of 11g/dL.. Pulmonary function is normal. Which of…

A: Hemoglobin is a red-colored protein that is available in the blood. It has heme atoms that are for…

Q: What is the function of the mucous lining of the epithelium inthe respiratory tract?

A: Respiratory epithelium is a type of ciliated columnar epithelium found lining most of the…

Q: When you exhale, the diaphragm ______ and the size of the thoracic cavity ______ fill in blank…

A: The human body is made up of organ systems that work with one another. These systems include the…

Q: Balloons which have been inflated inside a cool building expands when it is carried to a warmer area…

A: In science, Charles's law is based on the principle that the volume of the gas is equal to 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: 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: How does the position of the arytenoid cartilages changewhen a person is simply breathing versus…

A: Cartilages are a type of a specialized connective tissue. They are made up of smooth elastic tissue…

Q: Callisto has managed to escape Xena, and therefore Xena decides to rest for the night in a small…

A: Introduction  Breathing is the process of moving air into and out of the lungs in order to…

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: Stephanie was hysterical and hyperventilating, so a doctor made herbreathe into a paper bag. An…

A: In humans, there are different mechanisms present to regulate the different parameters to achieve…

Q: What changes would you expect to occur in the levels ofblood oxygen and carbon dioxide in a patient…

A: Hyperventilation is a condition wherein an individual begin to inhale extremely fast. For certain…

Q: In both lungs, the surface that is the largest is the (a) costal, (b) mediastinal, (c) inferior…

A: The respiratory system of humans is a network of organs and tissues that work together to help 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: A patient is hyperventilating, and suddenlyfeels ill. Which of the following are ways thebody will…

A: Answer- D. The kidneys will secrete more bicarbonate ions

Q: Air moves into the alveoli as a result of the: (A)Decreased pressure in the chest cavity (B)…

A: Introduction Inspiration/ inhalation is the process when the air in the atmosphere get in to the…

Q: When individuals are hyperventilating, they are told to breathe into a paper bag or into their…

A: The body of humans consists of a number of systems that work together to maintain the homeostasis of…

Q: (a) Define hyperventilation. (b) If you hyperventilate, do you retain or expel more carbon dioxide?…

A: Pulmonary ventilation is a process by which gases are exchanged between the atmosphere and the lung…

Q: Ameena, who is 7 months pregnant, has been feeling quite weak. She tells the doctor that her chest…

A: The heart is a muscular organ that pumps blood throughout the body. The heart has mainly four…

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: If blood passing by a lung has less O2 than inside the lung itself, then the O2 will due to

A: Lungs are important organs in the respiration process and supplying oxygenated blood to the vital…

Q: Gas exchange in the lungs takes place in the (a) alveoli, (b) bronchioles, (c) segmental bronchi,…

A: The respiratory system is a biological system responsible for gas exchange in our body. It consists…

Q: The pulmonary trunk is divided into two parts?

A: The pulmonary trunk is a significant conduit that starts in the right ventricle of the human heart.…

Q: Premature infants often lack adequate surfactant. How does this affect their ability to breathe?

A: Alveoli are balloon-shaped sacs present at the ends of the bronchial tree. They have a single-celled…

Q: Explain why oxygen diffuses from alveolar air into theblood.

A: The alveoli are where the lungs and the blood exchange oxygen and carbon dioxide during the course…

Q: The ventral respiratory group functions in

A: The medulla oblongata is part of the hindbrain. Medulla oblongata, pons and midbrain form the brain…

Q: What is the structure ofthe central nervous systemthat regulates pulmonaryrespiration?

A: The central nervous system (CNS) is a part of nervous system that consists two parts; the brain and…

Q: When you inhale, does your chest expand because yourlungs inflate, or do your lungs inflate because…

A: Multiple organs that perform the same function together form the same organ system. Organs involved…

Q: What are the three typesof respiration in which thecirculatory system transportsgases?

A: Respiration refers to the biochemical process in which exchange of gases occurs between the body…

Q: Name the respiratory organs of (i) fish (ii) mosquito (iii) earthworm.

A: The respiratory system is the biological system that consists of specific organs and structures used…

Q: For air to flow into or out of the lungs, there must be?

A: Introduction: Pulmonary ventilation (PV) is commonly referred to as breathing. It includes…

Q: What is the alveolar-capillary membrane composed of?

A: The alveolar-capillary membrane is a thin tissue through which exchange of gases takes place between…

Q: Are the lungs supplied by the pulmonary circuit, the systemiccircuit, or both? Explain

A: The lungs are the organs in pairs that take oxygen out of the air and put it into the blood. They…