Answered

At Westonci.ca, we make it easy to get the answers you need from a community of informed and experienced contributors. Our Q&A platform provides quick and trustworthy answers to your questions from experienced professionals in different areas of expertise. Explore comprehensive solutions to your questions from knowledgeable professionals across various fields on our platform.

Do intercostal muscles contract or relax when we breathe.

Sagot :

bullockha1

Answer:

the internal intercostal muscles relax and the external intercostal muscles contract, pulling the ribcage upwards and outwards. the diaphragm contracts, pulling downwards. lung volume increases and the air pressure inside decreases.

Explanation:

Thank you for your visit. We're committed to providing you with the best information available. Return anytime for more. We hope you found what you were looking for. Feel free to revisit us for more answers and updated information. Discover more at Westonci.ca. Return for the latest expert answers and updates on various topics.