Question

Movement of lungs during breathing

Answer 1

Answer:

When you breathe in, or inhale, your diaphragm contracts and moves downward. This increases the space in your chest cavity, and your lungs expand into it.

Explanation:

Answer 2

Explanation:

when you breathe in your diaphragm contracts and downward .this increases the space in your chest cavity, and your lungs expand in to it. the muscles between your ribs also help enlarge the chest cavity .they contract to pull your rib cage both upwards and outwards when you inhale