How+Breathing+Works

OBSERVE: Pull down slowly on the stretched balloon. What happens to the balloon inside the Itgats pusch up You should have seen it fill up and expand. Push up on the stretched balloon. What happens inside the cup? the balloon gets big when you pol the big balloon Yes, but what happens when you push up on the stretched balloon?

EVALUATE: Is there more or less space inside the cup when you pull down on the large balloon? more space in the balloon

IDENTIFY: When you pull the large balloon down, what fills the extra space in the cup? the ari

COMPARE: How is the air pressure in the balloon similar to the air pressure in your lungs? Write down what you think happens when you breathe air into your lungs. because ther both yhe same Explain further and answer both questions.