Describe the process of inhalation (inspiration).

Inhale. Internal intercostal muscles relax. External intercostal muscles contract. Ribcage moves up and out. Diaphragm contracts and flattens. Volume in lungs increases. Pressure in lungs decreases. Air moves in from high pressure outside to low pressure in lungs.

Answered by Anya P. Biology tutor

4059 Views

See similar Biology GCSE tutors

Related Biology GCSE answers

All answers ▸

Explain how blood glucose levels are controlled in people who do not have diabetes


Define osmosis


Explain how vaccination prevents illness in an individual


How does the volume in the lungs change as we breathe?


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo
Cookie Preferences