What happens to the diaphragm during inspiration?
Diaphragm contracts which causes it to move downwards/become flatter
WH
Related Biology GCSE answers
All answers ▸How should I revise for a Biology exam?
What are Stem Cells?
Describe the flow of blood through the human circulation
Arteries carry blood away from the heart whereas/or veins carry blood towards the heart.M2: Arteries have much thicker walls than veins (due to the thicker muscle and elastic layers) M3: Veins tend to have valves (this prevents backflow)