Which occurs to produce inspiration? The external intercostal muscles relax ) The alveolar pressure rises above atmospheric pressure. The atmospheric pressure falls below intrapleural pressure. OD) The size of the thoracic cavity decreases None of the above statements occur to produce inspiration
Added by Christina T.
Step 1
Inspiration, or inhalation, is the process of drawing air into the lungs. This is primarily driven by the contraction of the diaphragm and the external intercostal muscles. Show more…
Show all steps
Your feedback will help us improve your experience
Adi S and 55 other Biology educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
During an inspiratory effort: - The intrapleural pressure increases. - The abdominal muscles contract. - The elastic recoil exceeds PLung. - The alveolar pressure drops below atmospheric pressure. - The external intercostal muscles relax.
Adi S.
When the diaphragm and external intercostal muscles contract, which of the following actions does NOT occur? Air moves into lungs The diaphragm moves inferiorly The intrapulmonary pressure decreases The intrapleural pressure increases
Bryan V.
Recommended Textbooks
Biology for AP Courses
Objective Biology for NEET
Introduction to General, Organic and Biochemistry
Transcript
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD