As the thoracic cavity expands, the:

Q: True or false: are two large organs that exchange oxygen and carbon dioxide?

A: Gaseous exchange of oxygen and carbon dioxide takes place between the tissues and blood through…

Q: Why does the leavator veli palatini elevate the velum to seal off the nasal cavities?

A: It is a soft tissue constituting the back of the roof of the mouth.  It is moveable,  consisting of…

Q: Describe the location and significance of the pleural membranes.

A: Lungs are cone-shaped organs and located in the chest cavity and protected by ribs. The apex of each…

Q: Development of the lung

A: Lungs are the main organs of respiratory system in humans and various other animals.Main purpose of…

Q: The laryngopharynx represents the most superior portion of the pharynx, bounded superiorly by the…

A: Pharynx is divided into three sections: the nasopharynx, oropharynx and laryngopharynx.  The…

Q: Select the best answer or answers from the choices given: When the inspiratory muscles contract, (a)…

A: The process of breathing in (inspiration) and breathing out (expiration) sums up the process of…

Q: Describe the pressure in the thoracic cavity?

A: The thoracic cavity is involved in the inhalation and exhalation of the gases. The inhalation of the…

Q: Which is the lowest part of the pleural cavity, where pleural effusion first accumulates?

A: The fluid-filled region or space that encircles the lungs is called the pleural cavity. It is…

Q: 9-year-old boy suffered from shortness of breath due to anaphylactic reaction caused by a bee ing.…

A: Smooth muscles are present without striations. These are present in the internal organs and are…

Q: If the pipette below were a P20, what volume would it be set at? 10 ul 100 ul 1 ul 1000 ul

A: A pipette is used to measure and transfer very small amount of liquid sample with accuracy. A P20…

Q: Define alveolar gland

A: The alveolar gland comprises a sac-like secretory portion. These glands have a lumen cavity. The…

Q: The lining of the nasal cavity is normally moist, contains numerous mucous cells, and rests on a…

A: The human respiratory system is responsible for inhalation and exhalation of oxygen and carbon…

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: Explain how the volume (size) of the thoracic cavity affects the pressure in thelungs.

A: lungs are the pair of organs present in the thoracic cavity which are mainly responsible for…

Q: Define pleural cavity

A: The respiratory system consists of nose, pharynx, throat, trachea, bronchi and lungs. Functionally,…

Q: Enumerate all the arterial supplies of the nasal septum.

A: Introduction: Epistaxis, also referred to as nasal bleeding, is the injury to the large capillary…

Q: The pericardial cavity surrounds the heart, and the pleural cavities surround the lungs.

A: Pleura is the serous membrane that encloses pericardial cavity. It surrounds lungs and pericardium…

Q: Describe the location of the four quadrants and nine regions of the abdominopelvic cavity, and list…

A: The abdominopelvic cavity consists of the abdominal and pelvic cavity. To facilitate the description…

Q: The lungs are ..... to the ribs

A: * lungs are located in the thoracic cavity extending anterior and laterally from the heart to the…

Q: A 5-year-old child announces to her parents (former A&P students) that she is going to hold her…

A: Breathing is the process of exhaling carbon dioxide and inhalation of oxygen. A pair of lungs is the…

Q: Mechanical function of the respiratory system to maintain homeostasis

A: Respiratory system employ many strategies for keeping the body in equilibrium and maintainence of…

Q: What cells is the nasal lining composed of?

A: The primary unit of life is a cell. Erythrocytes are biconcave cells also called the red blood…

Q: When the diaphragm contracts, it tenses and moves inferiorly, causing(a) an increase in the volume…

A: Introduction: It is a skeletal muscle sheet present in the thoracic cavity. The diaphragm is a major…

Q: Describe two ways in which atmospheric air can enter thepleural cavity.

A: Pleural cavity is the body cavity enclosed by the parietal pleura. It includes the lungs, the hilar…

Q: Alveolar edema and pooling of secretions may result to:         Dull percussion note       Flat…

A: During breathing, ventilation is the exchange or movement of air (gas) between the lungs and the…

Q: Why lungs tend to collapse?

A: The lungs, or respiratory organs, are a pair of cone-shaped organs located in the thoracic cavity…

Q: s3

A: We can say that The brain consists of hollow fluid-filled cavities, known as ventricles. Some parts…

Q: A father calls in to state that his two-year-old daughter has gotten into the medicine cabinet and…

A: Xanax tablet also called as Alprazolam. it mainly used to treat anxiety disorder. It should not be…

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: 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: Define capitulum

A: Bone is an inflexible body tissue consisting of cells implanted in an abundant hard inter cellular…

Q: Provide the names of the structures indicated by numbers 1 2 3 4 5 6

A: In the brain, there are four ventricles that make up the ventricular system. A network of…

Q: Fill in the space with the appropriate word from the word-bank below; causing During inhalation, the…

A: Inhalation is the process by which we take in oxygen-rich air. Exhalation is the process by which we…

Dissection

Dissection is the process of cutting up the tissue of a dead or live animal or plant, to do anatomical studies and surgical treatments. The purpose of dissection is to learn more about the overall structure of organs and organ systems and thereby understand the physiology of the organism.