Which of the following respiratory structures has the largest cumulative cross-sectional area? a) bronchioles b) trachea c) primary bronchi d) secondary bronchi e) alveoli Which cavity contains the lungs, heart, and spleen? a. ventral b. cranial...
The thoracic cavity is the cavity that accommodates the heart, trachea, and lungs. The thoracic cavity is also known as the chest cavity. However, the...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answ...
A cupula is asmall, inverted cup or dome-shaped cap over a structure, including: Ampullary cupula, a structure in the vestibular system, providing the sense of spatial orientation. Cochlear cupula, a structure in the cochlea. Cupula of the pleura, related to the lungs. The cervical parietal ...
Blood contains a pigment called haemoglobin that has a great affinity for oxygen. Part 3 - Conclusion Statement (a) is incorrect as during inhalation ribs move outward and the diaphragm contracts (lowered) to increase the volume of the thoracic cavity. Statement (b) ...
aThe respiratory system, is made up of the gas-exchanging organs (the lungs and respiratory passages) and a pump that ventilates the lungs. The pump consists of the chest wall, the respiratory muscles, which increase and decrease the size of the thoracic cavity; the centers in the brain ...
Cartilage is the main type of connective tissue seen throughout the body. It serves a variety of structural and functional purposes and exists in different types throughoutour joints, bones, spine, lungs, ears and nose. What types of fibers are in fibrocartilage?
1)Quite a few human organs are involved in the production of speech:the lungs,the trachea(or windpipe),the throat,the nose,and the mouth. The pharynx,mouth,and nose form the three cavities of the vocal tract.Speech sounds are produced with an airstream as their sources of energy.In most...
given statements regarding true and false. (a) Nicotine reduces the concentration of haembound oxygen, br (b) Nicotine raises blood pressure and increases heart rate, br ( c ) Smoking is associated with increased incidence of cancers, br (d) Smoking causes oxygen deficiency only in the lungs...
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which of the following statements is/ are correct regarding normal expiration? (A) it is a passive process (B) it is an active process (C) The volume of thoracic cavity increases (D) The lower ends of the lungs are pulled downwards by the contraction of diaphragm 1) (A),(C) only ...